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-rw-r--r--BUGS5
-rw-r--r--ChangeLog84
-rw-r--r--argp/argp-help.c12
-rw-r--r--bits/confname.h42
-rwxr-xr-xconfigure69
-rw-r--r--configure.in7
-rw-r--r--elf/dl-load.c39
-rw-r--r--elf/dl-lookup.c4
-rw-r--r--elf/dl-profile.c2
-rw-r--r--inet/ether_ntoh.c4
-rw-r--r--inet/gethstbynm.c2
-rw-r--r--inet/rcmd.c4
-rw-r--r--inet/ruserpass.c4
-rw-r--r--io/ftw.c9
-rw-r--r--libio/fileops.c11
-rw-r--r--libio/genops.c18
-rw-r--r--libio/obprintf.c5
-rw-r--r--libio/oldfileops.c4
-rw-r--r--login/utmp_daemon.c12
-rw-r--r--manual/creature.texi1
-rw-r--r--misc/tsearch.c6
-rw-r--r--nss/digits_dots.c3
-rw-r--r--nss/getXXbyYY.c1
-rw-r--r--nss/nsswitch.c3
-rw-r--r--posix/confstr.c19
-rw-r--r--posix/execvp.c6
-rw-r--r--posix/getopt.c13
-rw-r--r--posix/glob.c204
-rw-r--r--posix/regex.c345
-rw-r--r--posix/unistd.h11
-rw-r--r--posix/wordexp.c49
-rw-r--r--resolv/inet_pton.c2
-rw-r--r--shadow/sgetspent_r.c2
-rw-r--r--stdio-common/vfprintf.c3
-rw-r--r--stdlib/canonicalize.c39
-rw-r--r--stdlib/msort.c5
-rw-r--r--stdlib/test-canon.c24
-rw-r--r--string/argz-replace.c4
-rw-r--r--sunrpc/svcauth_des.c8
-rw-r--r--sysdeps/generic/bits/confname.h42
-rw-r--r--sysdeps/generic/putenv.c8
-rw-r--r--sysdeps/generic/setenv.c12
-rw-r--r--sysdeps/posix/getcwd.c192
-rw-r--r--sysdeps/posix/ttyname.c7
-rw-r--r--sysdeps/posix/writev.c5
-rw-r--r--sysdeps/unix/readdir_r.c5
-rw-r--r--sysdeps/unix/sysv/linux/gethostname.c6
-rw-r--r--time/strftime.c14
-rw-r--r--time/tzfile.c11
-rw-r--r--wcsmbs/wcsdup.c4
50 files changed, 809 insertions, 582 deletions
diff --git a/BUGS b/BUGS
index efe407b4c5..7585e7fe45 100644
--- a/BUGS
+++ b/BUGS
@@ -1,7 +1,7 @@
 	    List of known bugs (certainly very incomplete)
 	    ----------------------------------------------
 
-Time-stamp: <1997-11-02T15:10:48+0100 drepper>
+Time-stamp: <1997-11-05T16:59:11+0100 drepper>
 
 This following list contains those bugs which I'm aware of.  Please
 make sure that bugs you report are not listed here.  If you can fix one
@@ -50,9 +50,6 @@ Severity: [  *] to [***]
 [  *]  The rcmd() functions (more concrete: the handling of .rhosts) does
        not support netgroups and wildcards (+).
 
-[  *]  The first alias definition in locale.alias is ignored.
-       [PR libc/205]
-
 [  *]  When assembling a locale definition, that uses the "copy"
        directive, with localedef, not only the copied category is
        checked for errors, but the whole file containing the same
diff --git a/ChangeLog b/ChangeLog
index 6b54555f5e..f420373b2f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,87 @@
+1997-11-06 00:06  Ulrich Drepper  <drepper@cygnus.com>
+
+	* argp/argp-help.c: Optimize a bit by using mempcpy.
+	* elf/dl-load.c: Likewise.
+	* elf/dl-lookup.c: Likewise.
+	* inet/rcmd.c: Likewise.
+	* io/ftw.c: Likewise.
+	* libio/fileops.c: Likewise.
+	* libio/genops.c: Likewise.
+	* libio/obprintf.c: Likewise.
+	* nss/nsswitch.c: Likewise.
+	* posix/execvp.c: Likewise.
+	* posix/getopt.c: Likewise.
+	* posix/glob.c: Likewise.
+	* posix/wordexp.c: Likewise.
+	* stdio-common/vfprintf.c: Likewise.
+	* stdlib/canonicalize.c: Likewise.
+	* stdlib/msort.c: Likewise.
+	* string/argz-replace.c: Likewise.
+	* sysdeps/generic/putenv.c: Likewise.
+	* sysdeps/generic/setenv.c: Likewise.
+	* sysdeps/posix/getcwd.c: Likewise.
+	* sysdeps/posix/ttyname.c: Likewise.
+	* sysdeps/posix/writev.c: Likewise.
+	* time/strftime.c: Likewise.
+	* time/tzfile.c: Likewise.
+
+	* login/utmp_daemon.c: Use memcpy instead of strcpy where possible.
+	* sunrpc/svcauth_des.c: Likewise.
+	* sysdeps/unix/sysv/linux/gethostname.c: Likewise.
+
+	* misc/tsearch.c: Use memcpy return value if possible.
+	* posix/regex.c: Likewise.
+	* sysdeps/unix/readdir_r.c: Likewise.
+	* wcsmbc/wcsdup.c: Likewise.
+
+	* nss/digits_dots.c: Little optimization.
+
+	* inet/ruserpass.c (ruserpass): Optimize by using stpcpy.
+	(struct toktab): Make tokstr field a const char *.
+
+	* elf/dl-profile.c: Fix typo.
+
+	* inet/ether_ntoh.c: Don't use relative #include path.
+	* inet/gethstbynm.c: Likewise.
+	* resolv/inet_pton.c: Likewise.
+	* shadow/sgetspent_r.c: Likewise.
+
+	* libio/oldfileops.c (_IO_old_file_jumps): Use correct sync and write
+	callbacks.  Patch by NIIBE Yutaka <gniibe@mri.co.jp>.
+
+	* posix/confstr.c: Correct string for _CS_LFS_CFLAGS.
+	Handle _CS_XBS5_* constants.
+	* posix/unistd.h: Add comment describing _XBS5_* constants.
+	* sysdeps/generic/bits/confname.h: Add _CS_XBS5_* constants.
+
+	* posix/regex.c: Indent preprocessor code.
+
+	* posix/wordexp.c: Using _itoa_word instead of sprintf.
+
+	* stdlib/canonicalize.c: Avoid unnecessary copying.  Handle NULL
+	and "" arguments correctly according to SUS.
+	* stdlib/test-canon.c: Test "" and NULL argument handling.
+
+	* sysdeps/posix/writev.c: Correct condition to leave the loop.
+
+1997-11-05 18:13  Ulrich Drepper  <drepper@cygnus.com>
+
+	* nss/getXXbyYY.c: Set buffer to NULL if realloc fails so that possible
+	next call starts with malloc again.
+	Proposed by Joe Keane <jgk@jgk.org>.
+
+1997-11-04 23:57  Ulrich Drepper  <drepper@cygnus.com>
+
+	* configure.in: Correct gcc -pipe test.
+	Patch by Zack Weinberg <zack@rabi.phys.columbia.edu>.
+
+	* posix/glob.c: Cleanups.  Patch by H.J. Lu <hjl@lucon.org>.
+
+1997-11-04  Andreas Jaeger  <aj@arthur.rhein-neckar.de>
+
+	* manual/creature.texi (Feature Test Macros): Add _POSIX_C_SOURCE
+	definition.
+
 1997-11-04  Ulrich Drepper  <drepper@cygnus.com>
 
 	* manual/filesys.texi: Correct description of return value for
diff --git a/argp/argp-help.c b/argp/argp-help.c
index f0e86d9ca2..8faacd5312 100644
--- a/argp/argp-help.c
+++ b/argp/argp-help.c
@@ -778,7 +778,7 @@ hol_append (struct hol *hol, struct hol *more)
 	more->num_entries = 0;	/* Mark MORE's fields as invalid.  */
       }
     else
-      /* append the entries in MORE to those in HOL, taking care to only add
+      /* Append the entries in MORE to those in HOL, taking care to only add
 	 non-shadowed SHORT_OPTIONS values.  */
       {
 	unsigned left;
@@ -791,12 +791,12 @@ hol_append (struct hol *hol, struct hol *more)
 	char *short_options =
 	  malloc (hol_so_len + strlen (more->short_options) + 1);
 
-	memcpy (entries, hol->entries,
-		hol->num_entries * sizeof (struct hol_entry));
-	memcpy (entries + hol->num_entries, more->entries,
-		more->num_entries * sizeof (struct hol_entry));
+	__mempcpy (__mempcpy (entries, hol->entries,
+			      hol->num_entries * sizeof (struct hol_entry)),
+		   more->entries,
+		   more->num_entries * sizeof (struct hol_entry));
 
-	memcpy (short_options, hol->short_options, hol_so_len);
+	__mempcpy (short_options, hol->short_options, hol_so_len);
 
 	/* Fix up the short options pointers from HOL.  */
 	for (e = entries, left = hol->num_entries; left > 0; e++, left--)
diff --git a/bits/confname.h b/bits/confname.h
index 6926cad0ad..40228e11ed 100644
--- a/bits/confname.h
+++ b/bits/confname.h
@@ -316,8 +316,9 @@ enum
 #define	_SC_NL_TEXTMAX			_SC_NL_TEXTMAX
   };
 
-#if (defined __USE_POSIX2 || defined __USE_FILE_OFFSET64 \
-     || defined __USE_LARGEFILE64 || defined __USE_LARGEFILE)
+#if (defined __USE_POSIX2 || defined __USE_UNIX98 \
+     || defined __USE_FILE_OFFSET64 || defined __USE_LARGEFILE64 \
+     || defined __USE_LARGEFILE)
 /* Values for the NAME argument to `confstr'.  */
 enum
   {
@@ -340,8 +341,43 @@ enum
 # define _CS_LFS64_LDFLAGS	_CS_LFS64_LDFLAGS
     _CS_LFS64_LIBS,
 # define _CS_LFS64_LIBS		_CS_LFS64_LIBS
-    _CS_LFS64_LINTFLAGS
+    _CS_LFS64_LINTFLAGS,
 # define _CS_LFS64_LINTFLAGS	_CS_LFS64_LINTFLAGS
 #endif
+
+#ifdef __USE_UNIX98
+    _CS_XBS5_ILP32_OFF32_CFLAGS = 1100,
+# define _CS_XBS5_ILP32_OFF32_CFLAGS _CS_XBS5_ILP32_OFF32_CFLAGS
+    _CS_XBS5_ILP32_OFF32_LDFLAGS,
+# define _CS_XBS5_ILP32_OFF32_LDFLAGS _CS_XBS5_ILP32_OFF32_LDFLAGS
+    _CS_XBS5_ILP32_OFF32_LIBS,
+# define _CS_XBS5_ILP32_OFF32_LIBS _CS_XBS5_ILP32_OFF32_LIBS
+    _CS_XBS5_ILP32_OFF32_LINTFLAGS,
+# define _CS_XBS5_ILP32_OFF32_LINTFLAGS _CS_XBS5_ILP32_OFF32_LINTFLAGS
+    _CS_XBS5_ILP32_OFFBIG_CFLAGS,
+# define _CS_XBS5_ILP32_OFFBIG_CFLAGS _CS_XBS5_ILP32_OFFBIG_CFLAGS
+    _CS_XBS5_ILP32_OFFBIG_LDFLAGS,
+# define _CS_XBS5_ILP32_OFFBIG_LDFLAGS _CS_XBS5_ILP32_OFFBIG_LDFLAGS
+    _CS_XBS5_ILP32_OFFBIG_LIBS,
+# define _CS_XBS5_ILP32_OFFBIG_LIBS _CS_XBS5_ILP32_OFFBIG_LIBS
+    _CS_XBS5_ILP32_OFFBIG_LINTFLAGS,
+# define _CS_XBS5_ILP32_OFFBIG_LINTFLAGS _CS_XBS5_ILP32_OFFBIG_LINTFLAGS
+    _CS_XBS5_LP64_OFF64_CFLAGS,
+# define _CS_XBS5_LP64_OFF64_CFLAGS _CS_XBS5_LP64_OFF64_CFLAGS
+    _CS_XBS5_LP64_OFF64_LDFLAGS,
+# define _CS_XBS5_LP64_OFF64_LDFLAGS _CS_XBS5_LP64_OFF64_LDFLAGS
+    _CS_XBS5_LP64_OFF64_LIBS,
+# define _CS_XBS5_LP64_OFF64_LIBS _CS_XBS5_LP64_OFF64_LIBS
+    _CS_XBS5_LP64_OFF64_LINTFLAGS,
+# define _CS_XBS5_LP64_OFF64_LINTFLAGS _CS_XBS5_LP64_OFF64_LINTFLAGS
+    _CS_XBS5_LPBIG_OFFBIG_CFLAGS,
+# define _CS_XBS5_LPBIG_OFFBIG_CFLAGS _CS_XBS5_LPBIG_OFFBIG_CFLAGS
+    _CS_XBS5_LPBIG_OFFBIG_LDFLAGS,
+# define _CS_XBS5_LPBIG_OFFBIG_LDFLAGS _CS_XBS5_LPBIG_OFFBIG_LDFLAGS
+    _CS_XBS5_LPBIG_OFFBIG_LIBS,
+# define _CS_XBS5_LPBIG_OFFBIG_LIBS _CS_XBS5_LPBIG_OFFBIG_LIBS
+    _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS,
+# define _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS
+#endif
   };
 #endif
diff --git a/configure b/configure
index 2955226441..2ef2feef14 100755
--- a/configure
+++ b/configure
@@ -1826,10 +1826,11 @@ echo "configure:1826: checking for gcc 2.7.x -pipe bug" >&5
 if eval "test \"`echo '$''{'libc_cv_gcc_pipe_bug'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
-     cat >conftest.s <<EOF
-foo:
+     cp /dev/null conftest.s
+   cat >conftest1.s <<EOF
+.nosuchdirective
 EOF
-   if ${CC-cc} -pipe -c conftest.s <conftest.s 2>/dev/null; then
+   if ${CC-cc} -pipe -c conftest.s <conftest1.s 2>/dev/null; then
     libc_cv_gcc_pipe_bug=no
    else
     libc_cv_gcc_pipe_bug=yes
@@ -1850,7 +1851,7 @@ else
 fi
 
 echo $ac_n "checking for assembler global-symbol directive""... $ac_c" 1>&6
-echo "configure:1854: checking for assembler global-symbol directive" >&5
+echo "configure:1855: checking for assembler global-symbol directive" >&5
 if eval "test \"`echo '$''{'libc_cv_asm_global_directive'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1880,7 +1881,7 @@ EOF
 fi
 
 echo $ac_n "checking for .set assembler directive""... $ac_c" 1>&6
-echo "configure:1884: checking for .set assembler directive" >&5
+echo "configure:1885: checking for .set assembler directive" >&5
 if eval "test \"`echo '$''{'libc_cv_asm_set_directive'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1914,7 +1915,7 @@ EOF
 fi
 
 echo $ac_n "checking for .symver assembler directive""... $ac_c" 1>&6
-echo "configure:1918: checking for .symver assembler directive" >&5
+echo "configure:1919: checking for .symver assembler directive" >&5
 if eval "test \"`echo '$''{'libc_cv_asm_symver_directive'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1933,7 +1934,7 @@ fi
 
 echo "$ac_t""$libc_cv_asm_symver_directive" 1>&6
 echo $ac_n "checking for ld --version-script""... $ac_c" 1>&6
-echo "configure:1937: checking for ld --version-script" >&5
+echo "configure:1938: checking for ld --version-script" >&5
 if eval "test \"`echo '$''{'libc_cv_ld_version_script_option'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1952,7 +1953,7 @@ EOF
     if { ac_try='${CC-cc} $CFLAGS -shared -o conftest.so conftest.o
 					-nostartfiles -nostdlib
 					-Wl,--version-script,conftest.map
-		       1>&5'; { (eval echo configure:1956: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; };
+		       1>&5'; { (eval echo configure:1957: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; };
     then
       libc_cv_ld_version_script_option=yes
     else
@@ -1983,7 +1984,7 @@ fi
 
 if test $elf = yes; then
   echo $ac_n "checking for .previous assembler directive""... $ac_c" 1>&6
-echo "configure:1987: checking for .previous assembler directive" >&5
+echo "configure:1988: checking for .previous assembler directive" >&5
 if eval "test \"`echo '$''{'libc_cv_asm_previous_directive'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -1991,7 +1992,7 @@ else
 .section foo_section
 .previous
 EOF
-  if { ac_try='${CC-cc} -c $CFLAGS conftest.s 1>&5'; { (eval echo configure:1995: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
+  if { ac_try='${CC-cc} -c $CFLAGS conftest.s 1>&5'; { (eval echo configure:1996: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
     libc_cv_asm_previous_directive=yes
   else
     libc_cv_asm_previous_directive=no
@@ -2007,7 +2008,7 @@ EOF
 
   else
     echo $ac_n "checking for .popsection assembler directive""... $ac_c" 1>&6
-echo "configure:2011: checking for .popsection assembler directive" >&5
+echo "configure:2012: checking for .popsection assembler directive" >&5
 if eval "test \"`echo '$''{'libc_cv_asm_popsection_directive'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2015,7 +2016,7 @@ else
 .pushsection foo_section
 .popsection
 EOF
-    if { ac_try='${CC-cc} -c $CFLAGS conftest.s 1>&5'; { (eval echo configure:2019: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
+    if { ac_try='${CC-cc} -c $CFLAGS conftest.s 1>&5'; { (eval echo configure:2020: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
       libc_cv_asm_popsection_directive=yes
     else
       libc_cv_asm_popsection_directive=no
@@ -2035,12 +2036,12 @@ fi
 
 if test $elf != yes; then
   echo $ac_n "checking for .init and .fini sections""... $ac_c" 1>&6
-echo "configure:2039: checking for .init and .fini sections" >&5
+echo "configure:2040: checking for .init and .fini sections" >&5
 if eval "test \"`echo '$''{'libc_cv_have_initfini'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2044 "configure"
+#line 2045 "configure"
 #include "confdefs.h"
 
 int main() {
@@ -2049,7 +2050,7 @@ asm (".section .init");
 				    asm (".text");
 ; return 0; }
 EOF
-if { (eval echo configure:2053: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2054: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   rm -rf conftest*
   libc_cv_have_initfini=yes
 else
@@ -2077,19 +2078,19 @@ if test $elf = yes; then
 else
   if test $ac_cv_prog_cc_works = yes; then
     echo $ac_n "checking for _ prefix on C symbol names""... $ac_c" 1>&6
-echo "configure:2081: checking for _ prefix on C symbol names" >&5
+echo "configure:2082: checking for _ prefix on C symbol names" >&5
 if eval "test \"`echo '$''{'libc_cv_asm_underscores'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2086 "configure"
+#line 2087 "configure"
 #include "confdefs.h"
 asm ("_glibc_foobar:");
 int main() {
 glibc_foobar ();
 ; return 0; }
 EOF
-if { (eval echo configure:2093: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
+if { (eval echo configure:2094: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
   rm -rf conftest*
   libc_cv_asm_underscores=yes
 else
@@ -2104,17 +2105,17 @@ fi
 echo "$ac_t""$libc_cv_asm_underscores" 1>&6
   else
     echo $ac_n "checking for _ prefix on C symbol names""... $ac_c" 1>&6
-echo "configure:2108: checking for _ prefix on C symbol names" >&5
+echo "configure:2109: checking for _ prefix on C symbol names" >&5
 if eval "test \"`echo '$''{'libc_cv_asm_underscores'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.$ac_ext <<EOF
-#line 2113 "configure"
+#line 2114 "configure"
 #include "confdefs.h"
 void underscore_test(void) {
 return; }
 EOF
-if { (eval echo configure:2118: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
+if { (eval echo configure:2119: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
   if grep _underscore_test conftest* >/dev/null; then
     rm -f conftest*
     libc_cv_asm_underscores=yes
@@ -2147,7 +2148,7 @@ if test $elf = yes; then
   libc_cv_asm_weakext_directive=no
 else
   echo $ac_n "checking for assembler .weak directive""... $ac_c" 1>&6
-echo "configure:2151: checking for assembler .weak directive" >&5
+echo "configure:2152: checking for assembler .weak directive" >&5
 if eval "test \"`echo '$''{'libc_cv_asm_weak_directive'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2170,7 +2171,7 @@ echo "$ac_t""$libc_cv_asm_weak_directive" 1>&6
 
 if test $libc_cv_asm_weak_directive = no; then
   echo $ac_n "checking for assembler .weakext directive""... $ac_c" 1>&6
-echo "configure:2174: checking for assembler .weakext directive" >&5
+echo "configure:2175: checking for assembler .weakext directive" >&5
 if eval "test \"`echo '$''{'libc_cv_asm_weakext_directive'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2207,7 +2208,7 @@ EOF
 fi
 
 echo $ac_n "checking for ld --no-whole-archive""... $ac_c" 1>&6
-echo "configure:2211: checking for ld --no-whole-archive" >&5
+echo "configure:2212: checking for ld --no-whole-archive" >&5
 if eval "test \"`echo '$''{'libc_cv_ld_no_whole_archive'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2218,7 +2219,7 @@ __throw () {}
 EOF
 if { ac_try='${CC-cc} $CFLAGS
 			    -nostdlib -nostartfiles -Wl,--no-whole-archive
-			    -o conftest conftest.c 1>&5'; { (eval echo configure:2222: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
+			    -o conftest conftest.c 1>&5'; { (eval echo configure:2223: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
   libc_cv_ld_no_whole_archive=yes
 else
   libc_cv_ld_no_whole_archive=no
@@ -2229,7 +2230,7 @@ fi
 echo "$ac_t""$libc_cv_ld_no_whole_archive" 1>&6
 
 echo $ac_n "checking for gcc -fno-exceptions""... $ac_c" 1>&6
-echo "configure:2233: checking for gcc -fno-exceptions" >&5
+echo "configure:2234: checking for gcc -fno-exceptions" >&5
 if eval "test \"`echo '$''{'libc_cv_gcc_no_exceptions'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2240,7 +2241,7 @@ __throw () {}
 EOF
 if { ac_try='${CC-cc} $CFLAGS
 			    -nostdlib -nostartfiles -fno-exceptions
-			    -o conftest conftest.c 1>&5'; { (eval echo configure:2244: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
+			    -o conftest conftest.c 1>&5'; { (eval echo configure:2245: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
   libc_cv_gcc_no_exceptions=yes
 else
   libc_cv_gcc_no_exceptions=no
@@ -2251,12 +2252,12 @@ fi
 echo "$ac_t""$libc_cv_gcc_no_exceptions" 1>&6
 
 echo $ac_n "checking for DWARF2 unwind info support""... $ac_c" 1>&6
-echo "configure:2255: checking for DWARF2 unwind info support" >&5
+echo "configure:2256: checking for DWARF2 unwind info support" >&5
 if eval "test \"`echo '$''{'libc_cv_gcc_dwarf2_unwind_info'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
   cat > conftest.c <<EOF
-#line 2260 "configure"
+#line 2261 "configure"
 static char __EH_FRAME_BEGIN__;
 _start ()
 {
@@ -2277,7 +2278,7 @@ __bzero () {}
 EOF
 if { ac_try='${CC-cc} $CFLAGS
 			    -nostdlib -nostartfiles
-			    -o conftest conftest.c -lgcc >&5'; { (eval echo configure:2281: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
+			    -o conftest conftest.c -lgcc >&5'; { (eval echo configure:2282: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }; }; then
   libc_cv_gcc_dwarf2_unwind_info=yes
 else
   libc_cv_gcc_dwarf2_unwind_info=no
@@ -2335,7 +2336,7 @@ if test "$uname" = "sysdeps/generic"; then
   fi
 
   echo $ac_n "checking OS release for uname""... $ac_c" 1>&6
-echo "configure:2339: checking OS release for uname" >&5
+echo "configure:2340: checking OS release for uname" >&5
 if eval "test \"`echo '$''{'libc_cv_uname_release'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2357,7 +2358,7 @@ echo "$ac_t""$libc_cv_uname_release" 1>&6
   uname_release="$libc_cv_uname_release"
 
   echo $ac_n "checking OS version for uname""... $ac_c" 1>&6
-echo "configure:2361: checking OS version for uname" >&5
+echo "configure:2362: checking OS version for uname" >&5
 if eval "test \"`echo '$''{'libc_cv_uname_version'+set}'`\" = set"; then
   echo $ac_n "(cached) $ac_c" 1>&6
 else
@@ -2379,7 +2380,7 @@ else
 fi
 
 echo $ac_n "checking stdio selection""... $ac_c" 1>&6
-echo "configure:2383: checking stdio selection" >&5
+echo "configure:2384: checking stdio selection" >&5
 
 case $stdio in
 libio) cat >> confdefs.h <<\EOF
@@ -2391,7 +2392,7 @@ esac
 echo "$ac_t""$stdio" 1>&6
 
 echo $ac_n "checking ldap selection""... $ac_c" 1>&6
-echo "configure:2395: checking ldap selection" >&5
+echo "configure:2396: checking ldap selection" >&5
 
 case $add_ons in
 *ldap*)
diff --git a/configure.in b/configure.in
index d0659bf478..3b3be45c33 100644
--- a/configure.in
+++ b/configure.in
@@ -509,10 +509,11 @@ if test $ac_cv_prog_gcc = yes; then
   # We must check this even if -pipe is not given here, because the user
   # might do `make CFLAGS=-pipe'.
   AC_CACHE_CHECK(for gcc 2.7.x -pipe bug, libc_cv_gcc_pipe_bug, [dnl
-   cat >conftest.s <<EOF
-foo:
+   cp /dev/null conftest.s
+   cat >conftest1.s <<EOF
+.nosuchdirective
 EOF
-   if ${CC-cc} -pipe -c conftest.s <conftest.s 2>/dev/null; then
+   if ${CC-cc} -pipe -c conftest.s <conftest1.s 2>/dev/null; then
     libc_cv_gcc_pipe_bug=no
    else
     libc_cv_gcc_pipe_bug=yes
diff --git a/elf/dl-load.c b/elf/dl-load.c
index 9a6aae6a93..0b752676b7 100644
--- a/elf/dl-load.c
+++ b/elf/dl-load.c
@@ -238,12 +238,12 @@ fillin_rpath (char *rpath, struct r_search_path_elem **result, const char *sep,
 	      if (tmp == NULL)
 		_dl_signal_error (ENOMEM, NULL,
 				  "cannot create cache for search path");
-	      memcpy (tmp, cp, len);
-	      memcpy (tmp + len, _dl_platform, _dl_platformlen);
-	      tmp[len + _dl_platformlen] = '/';
-	      tmp[len + _dl_platformlen + 1] = '\0';
-
 	      dirp->dirname = tmp;
+	      tmp = __mempcpy (tmp, cp, len);
+	      tmp = __mempcpy (tmp, _dl_platform, _dl_platformlen);
+	      *tmp++ = '/';
+	      *tmp = '\0';
+
 	      dirp->machdirstatus = dirp->dirstatus;
 
 	      if (max_dirnamelen < dirp->machdirnamelen)
@@ -260,13 +260,11 @@ fillin_rpath (char *rpath, struct r_search_path_elem **result, const char *sep,
 	      if (tmp == NULL)
 		_dl_signal_error (ENOMEM, NULL,
 				  "cannot create cache for search path");
-	      memcpy (tmp, cp, len);
-	      tmp[len] = '\0';
+	      dirp->dirname = tmp;
+	      *((char *) __mempcpy (tmp, cp, len)) = '\0';
 
 	      if (max_dirnamelen < dirp->dirnamelen)
 		max_dirnamelen = dirp->dirnamelen;
-
-	      dirp->dirname = tmp;
 	    }
 
 	  dirp->next = all_dirs;
@@ -430,12 +428,11 @@ _dl_init_paths (void)
 	    _dl_signal_error (ENOMEM, NULL,
 			      "cannot create cache for search path");
 
-	  memcpy (tmp, relem->dirname, relem->dirnamelen);
-	  memcpy (tmp + relem->dirnamelen, _dl_platform, _dl_platformlen);
-	  tmp[relem->dirnamelen + _dl_platformlen] = '/';
-	  tmp[relem->dirnamelen + _dl_platformlen + 1] = '\0';
-
 	  relem->dirname = tmp;
+	  tmp = __mempcpy (tmp, relem->dirname, relem->dirnamelen);
+	  tmp = __mempcpy (tmp, _dl_platform, _dl_platformlen);
+	  *tmp++ = '/';
+	  *tmp = '\0';
 
 	  relem->machdirstatus = unknown;
 
@@ -812,9 +809,10 @@ open_path (const char *name, size_t namelen,
       if (this_dir->machdirstatus != nonexisting)
 	{
 	  /* Construct the pathname to try.  */
-	  (void) memcpy (buf, this_dir->dirname, this_dir->machdirnamelen);
-	  (void) memcpy (buf + this_dir->machdirnamelen, name, namelen);
-	  buflen = this_dir->machdirnamelen + namelen;
+	  buflen = ((char *) __mempcpy (__mempcpy (buf, this_dir->dirname,
+						   this_dir->machdirnamelen),
+					name, namelen)
+		    - buf);
 
 	  fd = __open (buf, O_RDONLY);
 	  if (this_dir->machdirstatus == unknown)
@@ -839,9 +837,10 @@ open_path (const char *name, size_t namelen,
       if (fd == -1 && this_dir->dirstatus != nonexisting)
 	{
 	  /* Construct the pathname to try.  */
-	  (void) memcpy (buf, this_dir->dirname, this_dir->dirnamelen);
-	  (void) memcpy (buf + this_dir->dirnamelen, name, namelen);
-	  buflen = this_dir->dirnamelen + namelen;
+	  buflen = ((char *) __mempcpy (__mempcpy (buf, this_dir->dirname,
+						   this_dir->dirnamelen),
+					name, namelen)
+		    - buf);
 
 	  fd = __open (buf, O_RDONLY);
 	  if (this_dir->dirstatus == unknown)
diff --git a/elf/dl-lookup.c b/elf/dl-lookup.c
index ef344794c5..c51724026e 100644
--- a/elf/dl-lookup.c
+++ b/elf/dl-lookup.c
@@ -355,8 +355,8 @@ _dl_lookup_versioned_symbol_skip (const char *undef_name,
       /* We could find no value for a strong reference.  */
       const size_t len = strlen (undef_name);
       char buf[sizeof undefined_msg + len];
-      memcpy (buf, undefined_msg, sizeof undefined_msg - 1);
-      memcpy (&buf[sizeof undefined_msg - 1], undef_name, len + 1);
+      __mempcpy (__mempcpy (buf, undefined_msg, sizeof undefined_msg - 1),
+		 undef_name, len + 1);
       _dl_signal_error (0, reference_name, buf);
     }
 
diff --git a/elf/dl-profile.c b/elf/dl-profile.c
index dcbbcd026e..1a4f6b3105 100644
--- a/elf/dl-profile.c
+++ b/elf/dl-profile.c
@@ -262,7 +262,7 @@ _dl_start_profile (struct link_map *map, const char *output_dir)
   fd = __open (filename, O_RDWR | O_CREAT, 0666);
   if (fd == -1)
     {
-      /* We cannot write the profiling data so don't do anthing.  */
+      /* We cannot write the profiling data so don't do anything.  */
       char buf[400];
       _dl_sysdep_message (filename, ": cannot open file: ",
 			  _strerror_internal (errno, buf, sizeof buf),
diff --git a/inet/ether_ntoh.c b/inet/ether_ntoh.c
index 93c2cf8b2a..ab3650f2a2 100644
--- a/inet/ether_ntoh.c
+++ b/inet/ether_ntoh.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996 Free Software Foundation, Inc.
+/* Copyright (C) 1996, 1997 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
 
@@ -21,7 +21,7 @@
 #include <netinet/if_ether.h>
 #include <string.h>
 
-#include "../nss/nsswitch.h"
+#include <nss/nsswitch.h>
 
 /* Because the `ethers' lookup does not fit so well in the scheme so
    we define a dummy struct here which helps us to use the available
diff --git a/inet/gethstbynm.c b/inet/gethstbynm.c
index 08ee4cd40a..38d045c4db 100644
--- a/inet/gethstbynm.c
+++ b/inet/gethstbynm.c
@@ -35,4 +35,4 @@
 
 #define HANDLE_DIGITS_DOTS	1
 
-#include "../nss/getXXbyYY.c"
+#include <nss/getXXbyYY.c>
diff --git a/inet/rcmd.c b/inet/rcmd.c
index 92ce094807..d496a7a8fa 100644
--- a/inet/rcmd.c
+++ b/inet/rcmd.c
@@ -330,8 +330,8 @@ again:
 
 		dirlen = strlen (pwd->pw_dir);
 		pbuf = alloca (dirlen + sizeof "/.rhosts");
-		memcpy (pbuf, pwd->pw_dir, dirlen);
-		memcpy (pbuf + dirlen, "/.rhosts", sizeof "/.rhosts");
+		__mempcpy (__mempcpy (pbuf, pwd->pw_dir, dirlen),
+			   "/.rhosts", sizeof "/.rhosts");
 
 		/*
 		 * Change effective uid while opening .rhosts.  If root and
diff --git a/inet/ruserpass.c b/inet/ruserpass.c
index a0a4b97bdb..421bfc5e2d 100644
--- a/inet/ruserpass.c
+++ b/inet/ruserpass.c
@@ -63,7 +63,7 @@ static	FILE *cfile;
 static char tokval[100];
 
 static struct toktab {
-	char *tokstr;
+	const char *tokstr;
 	int tval;
 } toktab[]= {
 	{ "default",	DEFAULT },
@@ -98,7 +98,7 @@ ruserpass(host, aname, apass)
 
 	buf = alloca (strlen (hdir) + 8);
 
-	(void) sprintf(buf, "%s/.netrc", hdir);
+	__stpcpy (__stpcpy (buf, hdir), "/.netrc");
 	cfile = fopen(buf, "r");
 	if (cfile == NULL) {
 		if (errno != ENOENT)
diff --git a/io/ftw.c b/io/ftw.c
index e0835c2839..a7b537f446 100644
--- a/io/ftw.c
+++ b/io/ftw.c
@@ -186,9 +186,9 @@ open_dir_stream (struct ftw_data *data, struct dir_data *dirp)
 		  buf = newp;
 		}
 
-	      memcpy (buf + actsize, d->d_name, this_len);
-	      actsize += this_len;
-	      buf[actsize++] = '\0';
+	      *((char *) __mempcpy (buf + actsize, d->d_name, this_len))
+		= '\0';
+	      actsize += this_len + 1;
 	    }
 
 	  /* Terminate the list with an additional NUL byte.  */
@@ -259,8 +259,7 @@ process_entry (struct ftw_data *data, struct dir_data *dir, const char *name,
       data->dirbuf = newp;
     }
 
-  memcpy (data->dirbuf + data->ftw.base, name, namlen);
-  data->dirbuf[data->ftw.base + namlen] = '\0';
+  *((char *) __mempcpy (data->dirbuf + data->ftw.base, name, namlen)) = '\0';
 
   if (((data->flags & FTW_PHYS)
        ? LXSTAT (_STAT_VER, data->dirbuf, &st)
diff --git a/libio/fileops.c b/libio/fileops.c
index e82e2b36bd..ffc57f1d37 100644
--- a/libio/fileops.c
+++ b/libio/fileops.c
@@ -706,7 +706,12 @@ _IO_file_xsputn (f, data, n)
 	count = to_do;
       if (count > 20)
 	{
+#ifdef _LIBC
+	  f->_IO_write_ptr = __mempcpy (f->_IO_write_ptr, s, count);
+#else
 	  memcpy (f->_IO_write_ptr, s, count);
+	  f->_IO_write_ptr += count;
+#endif
 	  s += count;
 	}
       else
@@ -715,8 +720,8 @@ _IO_file_xsputn (f, data, n)
 	  register int i = (int) count;
 	  while (--i >= 0)
 	    *p++ = *s++;
+	  f->_IO_write_ptr = p;
 	}
-      f->_IO_write_ptr += count;
       to_do -= count;
     }
   if (to_do + must_flush > 0)
@@ -765,8 +770,12 @@ _IO_file_xsgetn (fp, data, n)
 	    count = more;
 	  if (count > 20)
 	    {
+#ifdef _LIBC
+	      s = __mempcpy (s, fp->_IO_read_ptr, count);
+#else
 	      memcpy (s, fp->_IO_read_ptr, count);
 	      s += count;
+#endif
 	      fp->_IO_read_ptr += count;
 	    }
 	  else if (count <= 0)
diff --git a/libio/genops.c b/libio/genops.c
index 20d0df2d89..3776b9e332 100644
--- a/libio/genops.c
+++ b/libio/genops.c
@@ -210,12 +210,20 @@ save_for_backup (fp)
 	return EOF;		/* FIXME */
       if (least_mark < 0)
 	{
+#ifdef _LIBC
+	  __mempcpy (__mempcpy (new_buffer + avail,
+				fp->_IO_save_end + least_mark,
+				-least_mark),
+		     fp->_IO_read_base,
+		     fp->_IO_read_end - fp->_IO_read_base);
+#else
 	  memcpy (new_buffer + avail,
 		  fp->_IO_save_end + least_mark,
 		  -least_mark);
 	  memcpy (new_buffer + avail - least_mark,
 		  fp->_IO_read_base,
 		  fp->_IO_read_end - fp->_IO_read_base);
+#endif
 	}
       else
 	memcpy (new_buffer + avail,
@@ -368,9 +376,13 @@ _IO_default_xsputn (f, data, n)
 	    count = more;
 	  if (count > 20)
 	    {
+#ifdef _LIBC
+	      f->_IO_write_ptr = __mempcpy (f->_IO_write_ptr, s, count);
+#else
 	      memcpy (f->_IO_write_ptr, s, count);
-	      s += count;
 	      f->_IO_write_ptr += count;
+#endif
+	      s += count;
             }
 	  else if (count <= 0)
 	    count = 0;
@@ -419,8 +431,12 @@ _IO_default_xsgetn (fp, data, n)
 	    count = more;
 	  if (count > 20)
 	    {
+#ifdef _LIBC
+	      s = __mempcpy (s, fp->_IO_read_ptr, count);
+#else
 	      memcpy (s, fp->_IO_read_ptr, count);
 	      s += count;
+#endif
 	      fp->_IO_read_ptr += count;
 	    }
 	  else if (count <= 0)
diff --git a/libio/obprintf.c b/libio/obprintf.c
index a0c4df6293..a4d685a927 100644
--- a/libio/obprintf.c
+++ b/libio/obprintf.c
@@ -80,10 +80,7 @@ _IO_obstack_xsputn (_IO_FILE *fp, const void *data, _IO_size_t n)
       obstack_blank_fast (obstack, fp->_IO_write_end - fp->_IO_write_ptr);
     }
   else
-    {
-      memcpy (fp->_IO_write_ptr, data, n);
-      fp->_IO_write_ptr += n;
-    }
+    fp->_IO_write_ptr = __mempcpy (fp->_IO_write_ptr, data, n);
 
   return n;
 }
diff --git a/libio/oldfileops.c b/libio/oldfileops.c
index ab4445c594..71a2bc27a1 100644
--- a/libio/oldfileops.c
+++ b/libio/oldfileops.c
@@ -707,10 +707,10 @@ struct _IO_jump_t _IO_old_file_jumps =
   JUMP_INIT(seekoff, _IO_old_file_seekoff),
   JUMP_INIT(seekpos, _IO_default_seekpos),
   JUMP_INIT(setbuf, _IO_old_file_setbuf),
-  JUMP_INIT(sync, _IO_file_sync),
+  JUMP_INIT(sync, _IO_old_file_sync),
   JUMP_INIT(doallocate, _IO_file_doallocate),
   JUMP_INIT(read, _IO_file_read),
-  JUMP_INIT(write, _IO_file_write),
+  JUMP_INIT(write, _IO_old_file_write),
   JUMP_INIT(seek, _IO_file_seek),
   JUMP_INIT(close, _IO_file_close),
   JUMP_INIT(stat, _IO_file_stat)
diff --git a/login/utmp_daemon.c b/login/utmp_daemon.c
index db3c90e428..e3c9371a54 100644
--- a/login/utmp_daemon.c
+++ b/login/utmp_daemon.c
@@ -208,8 +208,10 @@ do_setutent (int sock)
   setutent_request *request;
   setutent_reply reply;
   size_t size;
+  size_t name_len;
 
-  size = sizeof (setutent_request) + strlen (__libc_utmp_file_name) + 1;
+  name_len = strlen (__libc_utmp_file_name) + 1;
+  size = sizeof (setutent_request) + name_len;
 
   request = malloc (size);
   if (request == NULL)
@@ -218,7 +220,7 @@ do_setutent (int sock)
   request->header.version = UTMPD_VERSION;
   request->header.size = size;
   request->header.type = UTMPD_REQ_SETUTENT;
-  strcpy (request->file, __libc_utmp_file_name);
+  memcpy (request->file, __libc_utmp_file_name, name_len);
 
   reply.header.version = UTMPD_VERSION;
   reply.header.size = sizeof (setutent_reply);
@@ -367,8 +369,10 @@ do_updwtmp (int sock, const char *file, const struct utmp *utmp)
   updwtmp_request *request;
   updwtmp_reply reply;
   size_t size;
+  size_t file_len;
 
-  size = sizeof (updwtmp_request) + strlen (file) + 1;
+  file_len = strlen (file) + 1;
+  size = sizeof (updwtmp_request) + file_len;
 
   request = malloc (size);
   if (request == NULL)
@@ -378,7 +382,7 @@ do_updwtmp (int sock, const char *file, const struct utmp *utmp)
   request->header.size = size;
   request->header.type = UTMPD_REQ_UPDWTMP;
   memcpy (&request->utmp, utmp, sizeof (struct utmp));
-  strcpy (request->file, file);
+  memcpy (request->file, file, file_len);
 
   reply.header.version = UTMPD_VERSION;
   reply.header.size = sizeof (updwtmp_reply);
diff --git a/manual/creature.texi b/manual/creature.texi
index 1efd1f5a7d..4cdcce99b0 100644
--- a/manual/creature.texi
+++ b/manual/creature.texi
@@ -32,6 +32,7 @@ macro @code{_POSIX_C_SOURCE} to a positive integer.
 
 @comment (none)
 @comment POSIX.2
+@defvr Macro _POSIX_C_SOURCE
 Define this macro to a positive integer to control which POSIX
 functionality is made available.  The greater the value of this macro,
 the more functionality is made available.
diff --git a/misc/tsearch.c b/misc/tsearch.c
index c5af3ec689..0cf854b8bc 100644
--- a/misc/tsearch.c
+++ b/misc/tsearch.c
@@ -359,8 +359,7 @@ __tdelete (const void *key, void **vrootp, __compar_fn_t compar)
 	  node **newstack;
 	  stacksize += 20;
 	  newstack = alloca (sizeof (node *) * stacksize);
-	  memcpy (newstack, nodestack, sp * sizeof (node *));
-	  nodestack = newstack;
+	  nodestack = memcpy (newstack, nodestack, sp * sizeof (node *));
 	}
 
       nodestack[sp++] = rootp;
@@ -398,8 +397,7 @@ __tdelete (const void *key, void **vrootp, __compar_fn_t compar)
 	      node **newstack;
 	      stacksize += 20;
 	      newstack = alloca (sizeof (node *) * stacksize);
-	      memcpy (newstack, nodestack, sp * sizeof (node *));
-	      nodestack = newstack;
+	      nodestack = memcpy (newstack, nodestack, sp * sizeof (node *));
 	    }
 	  nodestack[sp++] = parent;
 	  parent = up;
diff --git a/nss/digits_dots.c b/nss/digits_dots.c
index dab64bfe1f..29aa5b1c5c 100644
--- a/nss/digits_dots.c
+++ b/nss/digits_dots.c
@@ -246,8 +246,7 @@
 		      goto done;
 		    }
 
-		  strcpy (hostname, name);
-		  resbuf.h_name = hostname;
+		  resbuf.h_name = strcpy (hostname, name);
 		  resbuf.h_aliases = *host_aliases;
 		  (*host_aliases)[0] = NULL;
 		  (*h_addr_ptrs)[0] = (char *) host_addr;
diff --git a/nss/getXXbyYY.c b/nss/getXXbyYY.c
index 47df15b034..0df916b1ed 100644
--- a/nss/getXXbyYY.c
+++ b/nss/getXXbyYY.c
@@ -117,6 +117,7 @@ FUNCTION_NAME (ADD_PARAMS)
 	     process gets a chance for a normal termination.  */
 	  save = errno;
 	  free (buffer);
+	  buffer = NULL;
 	  __set_errno (save);
 	}
       buffer = new_buf;
diff --git a/nss/nsswitch.c b/nss/nsswitch.c
index 18129bb5c0..36c1d0035e 100644
--- a/nss/nsswitch.c
+++ b/nss/nsswitch.c
@@ -587,8 +587,7 @@ nss_parse_service_list (const char *line)
 	      free (new_service);
 	      return result;
 	    }
-	  memcpy (source, name, line - name);
-	  source[line - name] = '\0';
+	  *((char *) __mempcpy (source, name, line - name)) = '\0';
 
 	  new_service->name = source;
 	}
diff --git a/posix/confstr.c b/posix/confstr.c
index c8d4d73143..3fabf1a883 100644
--- a/posix/confstr.c
+++ b/posix/confstr.c
@@ -47,7 +47,7 @@ confstr (name, buf, len)
     case _CS_LFS_CFLAGS:
       /* Signal that we want the new ABI.  */
       {
-	static const char file_offset[] = "-D_FILE_OFFSET_SIZE=64";
+	static const char file_offset[] = "-D_FILE_OFFSET_BITS=64";
 	string = file_offset;
 	string_len = sizeof (file_offset);
       }
@@ -60,6 +60,23 @@ confstr (name, buf, len)
     case _CS_LFS64_LINTFLAGS:
     case _CS_LFS64_LDFLAGS:
     case _CS_LFS64_LIBS:
+
+    case _CS_XBS5_ILP32_OFF32_CFLAGS:
+    case _CS_XBS5_ILP32_OFF32_LDFLAGS:
+    case _CS_XBS5_ILP32_OFF32_LIBS:
+    case _CS_XBS5_ILP32_OFF32_LINTFLAGS:
+    case _CS_XBS5_ILP32_OFFBIG_CFLAGS:
+    case _CS_XBS5_ILP32_OFFBIG_LDFLAGS:
+    case _CS_XBS5_ILP32_OFFBIG_LIBS:
+    case _CS_XBS5_ILP32_OFFBIG_LINTFLAGS:
+    case _CS_XBS5_LP64_OFF64_CFLAGS:
+    case _CS_XBS5_LP64_OFF64_LDFLAGS:
+    case _CS_XBS5_LP64_OFF64_LIBS:
+    case _CS_XBS5_LP64_OFF64_LINTFLAGS:
+    case _CS_XBS5_LPBIG_OFFBIG_CFLAGS:
+    case _CS_XBS5_LPBIG_OFFBIG_LDFLAGS:
+    case _CS_XBS5_LPBIG_OFFBIG_LIBS:
+    case _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS:
       /* GNU libc does not require special actions to use LFS functions.  */
       string = "";
       string_len = 1;
diff --git a/posix/execvp.c b/posix/execvp.c
index 26c7be99ab..2eda603c39 100644
--- a/posix/execvp.c
+++ b/posix/execvp.c
@@ -104,9 +104,9 @@ execvp (file, argv)
 	  else
 	    {
 	      /* Construct the pathname to try.  */
-	      (void) memcpy (name, path, p - path);
-	      name[p - path] = '/';
-	      (void) memcpy (&name[(p - path) + 1], file, len);
+	      char *tmp = __mempcpy (name, path, p - path);
+	      *tmp++ = '/';
+	      (void) __mempcpy (tmp, file, len);
 	    }
 
 	  /* Try to execute this name.  If it works, execv will not return.  */
diff --git a/posix/getopt.c b/posix/getopt.c
index 8f639ebed1..8311121385 100644
--- a/posix/getopt.c
+++ b/posix/getopt.c
@@ -328,9 +328,9 @@ exchange (argv)
 	nonoption_flags_len = nonoption_flags_max_len = 0;
       else
 	{
-	  memcpy (new_str, __getopt_nonoption_flags, nonoption_flags_max_len);
-	  memset (&new_str[nonoption_flags_max_len], '\0',
-		  top + 1 - nonoption_flags_max_len);
+	  memset (__mempcpy (new_str, __getopt_nonoption_flags,
+			     nonoption_flags_max_len),
+		  '\0', top + 1 - nonoption_flags_max_len);
 	  nonoption_flags_max_len = top + 1;
 	  __getopt_nonoption_flags = new_str;
 	}
@@ -439,11 +439,8 @@ _getopt_initialize (argc, argv, optstring)
 	      if (__getopt_nonoption_flags == NULL)
 		nonoption_flags_max_len = -1;
 	      else
-		{
-		  memcpy (__getopt_nonoption_flags, orig_str, len);
-		  memset (&__getopt_nonoption_flags[len], '\0',
-			  nonoption_flags_max_len - len);
-		}
+		memset (__mempcpy (__getopt_nonoption_flags, orig_str, len),
+			'\0', nonoption_flags_max_len - len);
 	    }
 	}
       nonoption_flags_len = nonoption_flags_max_len;
diff --git a/posix/glob.c b/posix/glob.c
index 909b4f148c..85747f5a9d 100644
--- a/posix/glob.c
+++ b/posix/glob.c
@@ -374,8 +374,12 @@ glob (pattern, flags, errfunc, pglob)
 #endif
 
 	  /* We know the prefix for all sub-patterns.  */
+#ifdef HAVE_MEMPCPY
+	  alt_start = mempcpy (onealt, pattern, begin - pattern);
+#else
 	  memcpy (onealt, pattern, begin - pattern);
 	  alt_start = &onealt[begin - pattern];
+#endif
 
 	  /* Find the first sub-pattern and at the same time find the
 	     rest after the closing brace.  */
@@ -951,138 +955,94 @@ glob_in_dir (pattern, directory, flags, errfunc, pglob)
       char *name;
     };
   struct globlink *names = NULL;
-  size_t nfound = 0;
-
-  if (!__glob_pattern_p (pattern, !(flags & GLOB_NOESCAPE)))
+  size_t nfound;
+  int meta;
+  int save;
+
+  stream = ((flags & GLOB_ALTDIRFUNC) ?
+ 	    (*pglob->gl_opendir) (directory) :
+	    (__ptr_t) opendir (directory));
+  if (stream == NULL)
     {
-      /* We must check whether the file in this directory exists.  */
-      stream = ((flags & GLOB_ALTDIRFUNC) ?
-		(*pglob->gl_opendir) (directory) :
-		(__ptr_t) opendir (directory));
-      if (stream == NULL)
-	{
-	  if ((errfunc != NULL && (*errfunc) (directory, errno)) ||
-	      (flags & GLOB_ERR))
-	    return GLOB_ABORTED;
-	}
-      else if (pattern[0] == '\0')
-	{
-	  /* This is a special case for matching directories like in
-	     "*a/".  */
-	  names = (struct globlink *) __alloca (sizeof (struct globlink));
-	  names->name = (char *) malloc (1);
-	  if (names->name == NULL)
-	    goto memory_error;
-	  names->name[0] = '\0';
-	  names->next = NULL;
-	  nfound = 1;
-	}
-      else
-	while (1)
-	  {
-	    struct dirent *d = ((flags & GLOB_ALTDIRFUNC) ?
-				(*pglob->gl_readdir) (stream) :
-				readdir ((DIR *) stream));
-	    if (d == NULL)
-	      break;
-	    if (! REAL_DIR_ENTRY (d))
-	      continue;
-
-#ifdef HAVE_D_TYPE
-	      /* If we shall match only directories use the information
-		 provided by the dirent if possible.  */
-	    if ((flags & GLOB_ONLYDIR)
-		&& d->d_type != DT_UNKNOWN && d->d_type != DT_DIR)
-	      continue;
-#endif
-
-	    if (strcmp (pattern, d->d_name) == 0)
-	      {
-		size_t len = NAMLEN (d);
-		names =
-		  (struct globlink *) __alloca (sizeof (struct globlink));
-		names->name = (char *) malloc (len + 1);
-		if (names->name == NULL)
-		  goto memory_error;
-#ifdef HAVE_MEMPCPY
-		*((char *) mempcpy ((__ptr_t) names->name, pattern, len))
-		  = '\0';
-#else
-		memcpy ((__ptr_t) names->name, pattern, len);
-		names->name[len] = '\0';
-#endif
-		names->next = NULL;
-		nfound = 1;
-		break;
-	      }
-	  }
+      if ((errfunc != NULL && (*errfunc) (directory, errno)) ||
+	  (flags & GLOB_ERR))
+	return GLOB_ABORTED;
+      nfound = 0;
+      meta = 0;
+    }
+  else if (pattern[0] == '\0')
+    {
+      /* This is a special case for matching directories like in
+	 "*a/".  */
+      names = (struct globlink *) __alloca (sizeof (struct globlink));
+      names->name = (char *) malloc (1);
+      if (names->name == NULL)
+	goto memory_error;
+      names->name[0] = '\0';
+      names->next = NULL;
+      nfound = 1;
+      meta = 0;
     }
   else
     {
-      flags |= GLOB_MAGCHAR;
+      nfound = 0;
+      meta = __glob_pattern_p (pattern, !(flags & GLOB_NOESCAPE));
+      if(meta)
+	flags |= GLOB_MAGCHAR;
 
-      stream = ((flags & GLOB_ALTDIRFUNC) ?
-		(*pglob->gl_opendir) (directory) :
-		(__ptr_t) opendir (directory));
-      if (stream == NULL)
+      while (1)
 	{
-	  if ((errfunc != NULL && (*errfunc) (directory, errno)) ||
-	      (flags & GLOB_ERR))
-	    return GLOB_ABORTED;
-	}
-      else
-	while (1)
-	  {
-	    const char *name;
-	    size_t len;
-	    struct dirent *d = ((flags & GLOB_ALTDIRFUNC) ?
-				(*pglob->gl_readdir) (stream) :
-				readdir ((DIR *) stream));
-	    if (d == NULL)
-	      break;
-	    if (! REAL_DIR_ENTRY (d))
-	      continue;
-
-	    name = d->d_name;
+	  const char *name;
+	  size_t len;
+	  struct dirent *d = ((flags & GLOB_ALTDIRFUNC) ?
+			      (*pglob->gl_readdir) (stream) :
+			      readdir ((DIR *) stream));
+	  if (d == NULL)
+	    break;
+	  if (! REAL_DIR_ENTRY (d))
+	    continue;
 
 #ifdef HAVE_D_TYPE
-	      /* If we shall match only directories use the information
-		 provided by the dirent if possible.  */
-	    if ((flags & GLOB_ONLYDIR)
-		&& d->d_type != DT_UNKNOWN && d->d_type != DT_DIR)
-	      continue;
+	  /* If we shall match only directories use the information
+	     provided by the dirent call if possible.  */
+	  if ((flags & GLOB_ONLYDIR)
+	      && d->d_type != DT_UNKNOWN && d->d_type != DT_DIR)
+	    continue;
 #endif
 
-	    if (fnmatch (pattern, name,
-			 (!(flags & GLOB_PERIOD) ? FNM_PERIOD : 0) |
-			 ((flags & GLOB_NOESCAPE) ? FNM_NOESCAPE : 0)
+	  name = d->d_name;
+
+	  if ((!meta && strcmp (pattern, name) == 0)
+	      || fnmatch (pattern, name,
+			  (!(flags & GLOB_PERIOD) ? FNM_PERIOD : 0) |
+			  ((flags & GLOB_NOESCAPE) ? FNM_NOESCAPE : 0)
 #ifdef _AMIGA
-			 | FNM_CASEFOLD
+			  | FNM_CASEFOLD
 #endif
 			 ) == 0)
-	      {
-		struct globlink *new
-		  = (struct globlink *) __alloca (sizeof (struct globlink));
-		len = NAMLEN (d);
-		new->name
-		  = (char *) malloc (len + 1);
-		if (new->name == NULL)
-		  goto memory_error;
+	    {
+	      struct globlink *new
+		= (struct globlink *) __alloca (sizeof (struct globlink));
+	      len = NAMLEN (d);
+	      new->name = (char *) malloc (len + 1);
+	      if (new->name == NULL)
+		goto memory_error;
 #ifdef HAVE_MEMPCPY
-		*((char *) mempcpy ((__ptr_t) new->name, name, len)) = '\0';
+	      *((char *) mempcpy ((__ptr_t) new->name, name, len)) = '\0';
 #else
-		memcpy ((__ptr_t) new->name, name, len);
-		new->name[len] = '\0';
+	      memcpy ((__ptr_t) new->name, name, len);
+	      new->name[len] = '\0';
 #endif
-		new->next = names;
-		names = new;
-		++nfound;
-	      }
-	  }
+	      new->next = names;
+	      names = new;
+	      ++nfound;
+	      if (!meta)
+		break;
+	    }
+	}
     }
 
-  if (nfound == 0 && (flags & GLOB_NOMAGIC) &&
-      ! __glob_pattern_p (pattern, !(flags & GLOB_NOESCAPE)))
+  if (nfound == 0 && (flags & GLOB_NOMAGIC) && !meta)
     flags |= GLOB_NOCHECK;
 
   if (nfound == 0 && (flags & GLOB_NOCHECK))
@@ -1124,15 +1084,13 @@ glob_in_dir (pattern, directory, flags, errfunc, pglob)
       pglob->gl_flags = flags;
     }
 
-  if (stream != NULL)
-    {
-      int save = errno;
-      if (flags & GLOB_ALTDIRFUNC)
-	(*pglob->gl_closedir) (stream);
-      else
-	closedir ((DIR *) stream);
-      __set_errno (save);
-    }
+  save = errno;
+  if (flags & GLOB_ALTDIRFUNC)
+    (*pglob->gl_closedir) (stream);
+  else
+    closedir ((DIR *) stream);
+  __set_errno (save);
+
   return nfound == 0 ? GLOB_NOMATCH : 0;
 
  memory_error:
diff --git a/posix/regex.c b/posix/regex.c
index 4f125be44b..b80ad1b815 100644
--- a/posix/regex.c
+++ b/posix/regex.c
@@ -2,12 +2,8 @@
    version 0.12.
    (Implements POSIX draft P1003.2/D11.2, except for some of the
    internationalization features.)
-
    Copyright (C) 1993, 1994, 1995, 1996, 1997 Free Software Foundation, Inc.
 
-   This file is part of the GNU C Library.  Its master source is NOT part of
-   the C library, however.  The master source lives in /gd/gnu/lib.
-
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public License as
    published by the Free Software Foundation; either version 2 of the
@@ -24,7 +20,7 @@
    Boston, MA 02111-1307, USA.  */
 
 /* AIX requires this to be the first thing in the file. */
-#if defined (_AIX) && !defined (REGEX_MALLOC)
+#if defined _AIX && !defined REGEX_MALLOC
   #pragma alloca
 #endif
 
@@ -32,14 +28,14 @@
 #define _GNU_SOURCE
 
 #ifdef HAVE_CONFIG_H
-#include <config.h>
+# include <config.h>
 #endif
 
-#if defined(STDC_HEADERS) && !defined(emacs)
-#include <stddef.h>
+#if defined STDC_HEADERS && !defined emacs
+# include <stddef.h>
 #else
 /* We need this for `regex.h', and perhaps for the Emacs include files.  */
-#include <sys/types.h>
+# include <sys/types.h>
 #endif
 
 /* For platform which support the ISO C amendement 1 functionality we
@@ -50,7 +46,7 @@
 #endif
 
 /* This is for other GNU distributions with internationalized messages.  */
-#if HAVE_LIBINTL_H || defined (_LIBC)
+#if HAVE_LIBINTL_H || defined _LIBC
 # include <libintl.h>
 #else
 # define gettext(msgid) (msgid)
@@ -59,83 +55,83 @@
 #ifndef gettext_noop
 /* This define is so xgettext can find the internationalizable
    strings.  */
-#define gettext_noop(String) String
+# define gettext_noop(String) String
 #endif
 
 /* The `emacs' switch turns on certain matching commands
    that make sense only in Emacs. */
 #ifdef emacs
 
-#include "lisp.h"
-#include "buffer.h"
-#include "syntax.h"
+# include "lisp.h"
+# include "buffer.h"
+# include "syntax.h"
 
 #else  /* not emacs */
 
 /* If we are not linking with Emacs proper,
    we can't use the relocating allocator
    even if config.h says that we can.  */
-#undef REL_ALLOC
+# undef REL_ALLOC
 
-#if defined (STDC_HEADERS) || defined (_LIBC)
-#include <stdlib.h>
-#else
+# if defined STDC_HEADERS || defined _LIBC
+#  include <stdlib.h>
+# else
 char *malloc ();
 char *realloc ();
-#endif
+# endif
 
 /* When used in Emacs's lib-src, we need to get bzero and bcopy somehow.
    If nothing else has been done, use the method below.  */
-#ifdef INHIBIT_STRING_HEADER
-#if !(defined (HAVE_BZERO) && defined (HAVE_BCOPY))
-#if !defined (bzero) && !defined (bcopy)
-#undef INHIBIT_STRING_HEADER
-#endif
-#endif
-#endif
+# ifdef INHIBIT_STRING_HEADER
+#  if !(defined HAVE_BZERO && defined HAVE_BCOPY)
+#   if !defined bzero && !defined bcopy
+#    undef INHIBIT_STRING_HEADER
+#   endif
+#  endif
+# endif
 
 /* This is the normal way of making sure we have a bcopy and a bzero.
    This is used in most programs--a few other programs avoid this
    by defining INHIBIT_STRING_HEADER.  */
-#ifndef INHIBIT_STRING_HEADER
-#if defined (HAVE_STRING_H) || defined (STDC_HEADERS) || defined (_LIBC)
-#include <string.h>
-#ifndef bcmp
-#define bcmp(s1, s2, n)	memcmp ((s1), (s2), (n))
-#endif
-#ifndef bcopy
-#define bcopy(s, d, n)	memcpy ((d), (s), (n))
-#endif
-#ifndef bzero
-#define bzero(s, n)	memset ((s), 0, (n))
-#endif
-#else
-#include <strings.h>
-#endif
-#endif
+# ifndef INHIBIT_STRING_HEADER
+#  if defined HAVE_STRING_H || defined STDC_HEADERS || defined _LIBC
+#   include <string.h>
+#   if !defined bzero && !defined _LIBC
+#    define bzero(s, n)		(memset (s, '\0', n), (s))
+#   endif
+#  else
+#   include <strings.h>
+#   ifndef memcmp
+#    define memcmp(s1, s2, n)	bcmp (s1, s2, n)
+#   endif
+#   ifndef memcpy
+#    define memcpy(d, s, n)	(bcopy (s, d, n), (d))
+#   endif
+#  endif
+# endif
 
 /* Define the syntax stuff for \<, \>, etc.  */
 
 /* This must be nonzero for the wordchar and notwordchar pattern
    commands in re_match_2.  */
-#ifndef Sword
-#define Sword 1
-#endif
+# ifndef Sword
+#  define Sword 1
+# endif
 
-#ifdef SWITCH_ENUM_BUG
-#define SWITCH_ENUM_CAST(x) ((int)(x))
-#else
-#define SWITCH_ENUM_CAST(x) (x)
-#endif
+# ifdef SWITCH_ENUM_BUG
+#  define SWITCH_ENUM_CAST(x) ((int)(x))
+# else
+#  define SWITCH_ENUM_CAST(x) (x)
+# endif
 
 /* How many characters in the character set.  */
-#define CHAR_SET_SIZE 256
+# define CHAR_SET_SIZE 256
 
-#ifdef SYNTAX_TABLE
+# ifdef SYNTAX_TABLE
 
 extern char *re_syntax_table;
 
-#else /* not SYNTAX_TABLE */
+# else /* not SYNTAX_TABLE */
 
 static char re_syntax_table[CHAR_SET_SIZE];
 
@@ -164,9 +160,9 @@ init_syntax_once ()
    done = 1;
 }
 
-#endif /* not SYNTAX_TABLE */
+# endif /* not SYNTAX_TABLE */
 
-#define SYNTAX(c) re_syntax_table[c]
+# define SYNTAX(c) re_syntax_table[c]
 
 #endif /* not emacs */
 
@@ -187,21 +183,21 @@ init_syntax_once ()
    Defining isascii to 1 should let any compiler worth its salt
    eliminate the && through constant folding."  */
 
-#if defined (STDC_HEADERS) || (!defined (isascii) && !defined (HAVE_ISASCII))
-#define ISASCII(c) 1
+#if defined STDC_HEADERS || (!defined isascii && !defined HAVE_ISASCII)
+# define ISASCII(c) 1
 #else
-#define ISASCII(c) isascii(c)
+# define ISASCII(c) isascii(c)
 #endif
 
 #ifdef isblank
-#define ISBLANK(c) (ISASCII (c) && isblank (c))
+# define ISBLANK(c) (ISASCII (c) && isblank (c))
 #else
-#define ISBLANK(c) ((c) == ' ' || (c) == '\t')
+# define ISBLANK(c) ((c) == ' ' || (c) == '\t')
 #endif
 #ifdef isgraph
-#define ISGRAPH(c) (ISASCII (c) && isgraph (c))
+# define ISGRAPH(c) (ISASCII (c) && isgraph (c))
 #else
-#define ISGRAPH(c) (ISASCII (c) && isprint (c) && !isspace (c))
+# define ISGRAPH(c) (ISASCII (c) && isprint (c) && !isspace (c))
 #endif
 
 #define ISPRINT(c) (ISASCII (c) && isprint (c))
@@ -216,7 +212,7 @@ init_syntax_once ()
 #define ISXDIGIT(c) (ISASCII (c) && isxdigit (c))
 
 #ifndef NULL
-#define NULL (void *)0
+# define NULL (void *)0
 #endif
 
 /* We remove any previous definition of `SIGN_EXTEND_CHAR',
@@ -225,10 +221,10 @@ init_syntax_once ()
    (Per Bothner suggested the basic approach.)  */
 #undef SIGN_EXTEND_CHAR
 #if __STDC__
-#define SIGN_EXTEND_CHAR(c) ((signed char) (c))
+# define SIGN_EXTEND_CHAR(c) ((signed char) (c))
 #else  /* not __STDC__ */
 /* As in Harbison and Steele.  */
-#define SIGN_EXTEND_CHAR(c) ((((unsigned char) (c)) ^ 128) - 128)
+# define SIGN_EXTEND_CHAR(c) ((((unsigned char) (c)) ^ 128) - 128)
 #endif
 
 /* Should we use malloc or alloca?  If REGEX_MALLOC is not defined, we
@@ -243,74 +239,67 @@ init_syntax_once ()
 
 #ifdef REGEX_MALLOC
 
-#define REGEX_ALLOCATE malloc
-#define REGEX_REALLOCATE(source, osize, nsize) realloc (source, nsize)
-#define REGEX_FREE free
+# define REGEX_ALLOCATE malloc
+# define REGEX_REALLOCATE(source, osize, nsize) realloc (source, nsize)
+# define REGEX_FREE free
 
 #else /* not REGEX_MALLOC  */
 
 /* Emacs already defines alloca, sometimes.  */
-#ifndef alloca
+# ifndef alloca
 
 /* Make alloca work the best possible way.  */
-#ifdef __GNUC__
-#define alloca __builtin_alloca
-#else /* not __GNUC__ */
-#if HAVE_ALLOCA_H
-#include <alloca.h>
-#else /* not __GNUC__ or HAVE_ALLOCA_H */
-#if 0 /* It is a bad idea to declare alloca.  We always cast the result.  */
-#ifndef _AIX /* Already did AIX, up at the top.  */
-char *alloca ();
-#endif /* not _AIX */
-#endif
-#endif /* not HAVE_ALLOCA_H */
-#endif /* not __GNUC__ */
+#  ifdef __GNUC__
+#   define alloca __builtin_alloca
+#  else /* not __GNUC__ */
+#   if HAVE_ALLOCA_H
+#    include <alloca.h>
+#   endif /* HAVE_ALLOCA_H */
+#  endif /* not __GNUC__ */
 
-#endif /* not alloca */
+# endif /* not alloca */
 
-#define REGEX_ALLOCATE alloca
+# define REGEX_ALLOCATE alloca
 
 /* Assumes a `char *destination' variable.  */
-#define REGEX_REALLOCATE(source, osize, nsize)				\
+# define REGEX_REALLOCATE(source, osize, nsize)				\
   (destination = (char *) alloca (nsize),				\
-   bcopy (source, destination, osize),					\
-   destination)
+   memcpy (destination, source, osize))
 
 /* No need to do anything to free, after alloca.  */
-#define REGEX_FREE(arg) ((void)0) /* Do nothing!  But inhibit gcc warning.  */
+# define REGEX_FREE(arg) ((void)0) /* Do nothing!  But inhibit gcc warning.  */
 
 #endif /* not REGEX_MALLOC */
 
 /* Define how to allocate the failure stack.  */
 
-#if defined (REL_ALLOC) && defined (REGEX_MALLOC)
+#if defined REL_ALLOC && defined REGEX_MALLOC
 
-#define REGEX_ALLOCATE_STACK(size)				\
+# define REGEX_ALLOCATE_STACK(size)				\
   r_alloc (&failure_stack_ptr, (size))
-#define REGEX_REALLOCATE_STACK(source, osize, nsize)		\
+# define REGEX_REALLOCATE_STACK(source, osize, nsize)		\
   r_re_alloc (&failure_stack_ptr, (nsize))
-#define REGEX_FREE_STACK(ptr)					\
+# define REGEX_FREE_STACK(ptr)					\
   r_alloc_free (&failure_stack_ptr)
 
 #else /* not using relocating allocator */
 
-#ifdef REGEX_MALLOC
+# ifdef REGEX_MALLOC
 
-#define REGEX_ALLOCATE_STACK malloc
-#define REGEX_REALLOCATE_STACK(source, osize, nsize) realloc (source, nsize)
-#define REGEX_FREE_STACK free
+#  define REGEX_ALLOCATE_STACK malloc
+#  define REGEX_REALLOCATE_STACK(source, osize, nsize) realloc (source, nsize)
+#  define REGEX_FREE_STACK free
 
-#else /* not REGEX_MALLOC */
+# else /* not REGEX_MALLOC */
 
-#define REGEX_ALLOCATE_STACK alloca
+#  define REGEX_ALLOCATE_STACK alloca
 
-#define REGEX_REALLOCATE_STACK(source, osize, nsize)			\
+#  define REGEX_REALLOCATE_STACK(source, osize, nsize)			\
    REGEX_REALLOCATE (source, osize, nsize)
 /* No need to explicitly free anything.  */
-#define REGEX_FREE_STACK(arg)
+#  define REGEX_FREE_STACK(arg)
 
-#endif /* not REGEX_MALLOC */
+# endif /* not REGEX_MALLOC */
 #endif /* not using relocating allocator */
 
 
@@ -522,10 +511,10 @@ extract_number (dest, source)
   *dest += temp << 8;
 }
 
-#ifndef EXTRACT_MACROS /* To debug the macros.  */
-#undef EXTRACT_NUMBER
-#define EXTRACT_NUMBER(dest, src) extract_number (&dest, src)
-#endif /* not EXTRACT_MACROS */
+# ifndef EXTRACT_MACROS /* To debug the macros.  */
+#  undef EXTRACT_NUMBER
+#  define EXTRACT_NUMBER(dest, src) extract_number (&dest, src)
+# endif /* not EXTRACT_MACROS */
 
 #endif /* DEBUG */
 
@@ -550,11 +539,11 @@ extract_number_and_incr (destination, source)
   *source += 2;
 }
 
-#ifndef EXTRACT_MACROS
-#undef EXTRACT_NUMBER_AND_INCR
-#define EXTRACT_NUMBER_AND_INCR(dest, src) \
+# ifndef EXTRACT_MACROS
+#  undef EXTRACT_NUMBER_AND_INCR
+#  define EXTRACT_NUMBER_AND_INCR(dest, src) \
   extract_number_and_incr (&dest, &src)
-#endif /* not EXTRACT_MACROS */
+# endif /* not EXTRACT_MACROS */
 
 #endif /* DEBUG */
 
@@ -567,21 +556,21 @@ extract_number_and_incr (destination, source)
 #ifdef DEBUG
 
 /* We use standard I/O for debugging.  */
-#include <stdio.h>
+# include <stdio.h>
 
 /* It is useful to test things that ``must'' be true when debugging.  */
-#include <assert.h>
+# include <assert.h>
 
 static int debug = 0;
 
-#define DEBUG_STATEMENT(e) e
-#define DEBUG_PRINT1(x) if (debug) printf (x)
-#define DEBUG_PRINT2(x1, x2) if (debug) printf (x1, x2)
-#define DEBUG_PRINT3(x1, x2, x3) if (debug) printf (x1, x2, x3)
-#define DEBUG_PRINT4(x1, x2, x3, x4) if (debug) printf (x1, x2, x3, x4)
-#define DEBUG_PRINT_COMPILED_PATTERN(p, s, e) 				\
+# define DEBUG_STATEMENT(e) e
+# define DEBUG_PRINT1(x) if (debug) printf (x)
+# define DEBUG_PRINT2(x1, x2) if (debug) printf (x1, x2)
+# define DEBUG_PRINT3(x1, x2, x3) if (debug) printf (x1, x2, x3)
+# define DEBUG_PRINT4(x1, x2, x3, x4) if (debug) printf (x1, x2, x3, x4)
+# define DEBUG_PRINT_COMPILED_PATTERN(p, s, e) 				\
   if (debug) print_partial_compiled_pattern (s, e)
-#define DEBUG_PRINT_DOUBLE_STRING(w, s1, sz1, s2, sz2)			\
+# define DEBUG_PRINT_DOUBLE_STRING(w, s1, sz1, s2, sz2)			\
   if (debug) print_double_string (w, s1, sz1, s2, sz2)
 
 
@@ -801,7 +790,7 @@ print_partial_compiled_pattern (start, end)
 	case wordend:
 	  printf ("/wordend");
 
-#ifdef emacs
+# ifdef emacs
 	case before_dot:
 	  printf ("/before_dot");
           break;
@@ -825,7 +814,7 @@ print_partial_compiled_pattern (start, end)
 	  mcnt = *p++;
 	  printf ("/%d", mcnt);
 	  break;
-#endif /* emacs */
+# endif /* emacs */
 
 	case wordchar:
 	  printf ("/wordchar");
@@ -918,16 +907,16 @@ printchar (c)
 
 #else /* not DEBUG */
 
-#undef assert
-#define assert(e)
+# undef assert
+# define assert(e)
 
-#define DEBUG_STATEMENT(e)
-#define DEBUG_PRINT1(x)
-#define DEBUG_PRINT2(x1, x2)
-#define DEBUG_PRINT3(x1, x2, x3)
-#define DEBUG_PRINT4(x1, x2, x3, x4)
-#define DEBUG_PRINT_COMPILED_PATTERN(p, s, e)
-#define DEBUG_PRINT_DOUBLE_STRING(w, s1, sz1, s2, sz2)
+# define DEBUG_STATEMENT(e)
+# define DEBUG_PRINT1(x)
+# define DEBUG_PRINT2(x1, x2)
+# define DEBUG_PRINT3(x1, x2, x3)
+# define DEBUG_PRINT4(x1, x2, x3, x4)
+# define DEBUG_PRINT_COMPILED_PATTERN(p, s, e)
+# define DEBUG_PRINT_DOUBLE_STRING(w, s1, sz1, s2, sz2)
 
 #endif /* not DEBUG */
 
@@ -1013,7 +1002,7 @@ static const char *re_error_msgid[] =
 /* When using GNU C, we are not REALLY using the C alloca, no matter
    what config.h may say.  So don't take precautions for it.  */
 #ifdef __GNUC__
-#undef C_ALLOCA
+# undef C_ALLOCA
 #endif
 
 /* The match routines may not allocate if (1) they would do it with malloc
@@ -1021,8 +1010,8 @@ static const char *re_error_msgid[] =
    Note that if REL_ALLOC is defined, matching would not use malloc for the
    failure stack, but we would still use it for the register vectors;
    so REL_ALLOC should not affect this.  */
-#if (defined (C_ALLOCA) || defined (REGEX_MALLOC)) && defined (emacs)
-#undef MATCH_MAY_ALLOCATE
+#if (defined C_ALLOCA || defined REGEX_MALLOC) && defined emacs
+# undef MATCH_MAY_ALLOCATE
 #endif
 
 
@@ -1035,7 +1024,7 @@ static const char *re_error_msgid[] =
    when matching.  If this number is exceeded, we allocate more
    space, so it is not a hard limit.  */
 #ifndef INIT_FAILURE_ALLOC
-#define INIT_FAILURE_ALLOC 5
+# define INIT_FAILURE_ALLOC 5
 #endif
 
 /* Roughly the maximum number of failure points on the stack.  Would be
@@ -1045,13 +1034,13 @@ static const char *re_error_msgid[] =
 
 #ifdef INT_IS_16BIT
 
-#if defined (MATCH_MAY_ALLOCATE)
+# if defined MATCH_MAY_ALLOCATE
 /* 4400 was enough to cause a crash on Alpha OSF/1,
    whose default stack limit is 2mb.  */
 long int re_max_failures = 4000;
-#else
+# else
 long int re_max_failures = 2000;
-#endif
+# endif
 
 union fail_stack_elt
 {
@@ -1070,13 +1059,13 @@ typedef struct
 
 #else /* not INT_IS_16BIT */
 
-#if defined (MATCH_MAY_ALLOCATE)
+# if defined MATCH_MAY_ALLOCATE
 /* 4400 was enough to cause a crash on Alpha OSF/1,
    whose default stack limit is 2mb.  */
 int re_max_failures = 20000;
-#else
+# else
 int re_max_failures = 2000;
-#endif
+# endif
 
 union fail_stack_elt
 {
@@ -1104,10 +1093,10 @@ typedef struct
    Do `return -2' if the alloc fails.  */
 
 #ifdef MATCH_MAY_ALLOCATE
-#define INIT_FAIL_STACK()						\
+# define INIT_FAIL_STACK()						\
   do {									\
     fail_stack.stack = (fail_stack_elt_t *)				\
-      REGEX_ALLOCATE_STACK (INIT_FAILURE_ALLOC * sizeof (fail_stack_elt_t));	\
+      REGEX_ALLOCATE_STACK (INIT_FAILURE_ALLOC * sizeof (fail_stack_elt_t)); \
 									\
     if (fail_stack.stack == NULL)					\
       return -2;							\
@@ -1116,14 +1105,14 @@ typedef struct
     fail_stack.avail = 0;						\
   } while (0)
 
-#define RESET_FAIL_STACK()  REGEX_FREE_STACK (fail_stack.stack)
+# define RESET_FAIL_STACK()  REGEX_FREE_STACK (fail_stack.stack)
 #else
-#define INIT_FAIL_STACK()						\
+# define INIT_FAIL_STACK()						\
   do {									\
     fail_stack.avail = 0;						\
   } while (0)
 
-#define RESET_FAIL_STACK()
+# define RESET_FAIL_STACK()
 #endif
 
 
@@ -1184,11 +1173,11 @@ typedef struct
 
 /* Used to omit pushing failure point id's when we're not debugging.  */
 #ifdef DEBUG
-#define DEBUG_PUSH PUSH_FAILURE_INT
-#define DEBUG_POP(item_addr) *(item_addr) = POP_FAILURE_INT ()
+# define DEBUG_PUSH PUSH_FAILURE_INT
+# define DEBUG_POP(item_addr) *(item_addr) = POP_FAILURE_INT ()
 #else
-#define DEBUG_PUSH(item)
-#define DEBUG_POP(item_addr)
+# define DEBUG_PUSH(item)
+# define DEBUG_POP(item_addr)
 #endif
 
 
@@ -1286,9 +1275,9 @@ typedef struct
 
 /* Individual items aside from the registers.  */
 #ifdef DEBUG
-#define NUM_NONREG_ITEMS 5 /* Includes failure point id.  */
+# define NUM_NONREG_ITEMS 5 /* Includes failure point id.  */
 #else
-#define NUM_NONREG_ITEMS 4
+# define NUM_NONREG_ITEMS 4
 #endif
 
 /* We push at most this many items on the stack.  */
@@ -1479,7 +1468,7 @@ static reg_errcode_t compile_range _RE_ARGS ((const char **p_ptr,
    string passed to us by the user to an unsigned char that we can use
    as an array index (in, e.g., `translate').  */
 #ifndef PATFETCH
-#define PATFETCH(c)							\
+# define PATFETCH(c)							\
   do {if (p == pend) return REG_EEND;					\
     c = (unsigned char) *p++;						\
     if (translate) c = (unsigned char) translate[c];			\
@@ -1502,7 +1491,7 @@ static reg_errcode_t compile_range _RE_ARGS ((const char **p_ptr,
    `char *', to avoid warnings when a string constant is passed.  But
    when we use a character as a subscript we must make it unsigned.  */
 #ifndef TRANSLATE
-#define TRANSLATE(d) \
+# define TRANSLATE(d) \
   (translate ? (char) translate[(unsigned char) (d)] : (d))
 #endif
 
@@ -1570,15 +1559,15 @@ static reg_errcode_t compile_range _RE_ARGS ((const char **p_ptr,
    MSC and drop MAX_BUF_SIZE a bit.  Otherwise you may end up
    reallocating to 0 bytes.  Such thing is not going to work too well.
    You have been warned!!  */
-#if defined(_MSC_VER)  && !defined(WIN32)
+#if defined _MSC_VER  && !defined WIN32
 /* Microsoft C 16-bit versions limit malloc to approx 65512 bytes.
    The REALLOC define eliminates a flurry of conversion warnings,
    but is not required. */
-#define MAX_BUF_SIZE  65500L
-#define REALLOC(p,s) realloc ((p), (size_t) (s))
+# define MAX_BUF_SIZE  65500L
+# define REALLOC(p,s) realloc ((p), (size_t) (s))
 #else
-#define MAX_BUF_SIZE (1L << 16)
-#define REALLOC(p,s) realloc ((p), (s))
+# define MAX_BUF_SIZE (1L << 16)
+# define REALLOC(p,s) realloc ((p), (s))
 #endif
 
 /* Extend the buffer by twice its current size via realloc and
@@ -1865,7 +1854,7 @@ regex_compile (pattern, size, syntax, bufp)
   /* Always count groups, whether or not bufp->no_sub is set.  */
   bufp->re_nsub = 0;
 
-#if !defined (emacs) && !defined (SYNTAX_TABLE)
+#if !defined emacs && !defined SYNTAX_TABLE
   /* Initialize the syntax table.  */
    init_syntax_once ();
 #endif
@@ -2842,7 +2831,7 @@ regex_compile (pattern, size, syntax, bufp)
       {
 	fail_stack.size = (2 * re_max_failures * MAX_FAILURE_ITEMS);
 
-#ifdef emacs
+# ifdef emacs
 	if (! fail_stack.stack)
 	  fail_stack.stack
 	    = (fail_stack_elt_t *) xmalloc (fail_stack.size
@@ -2852,7 +2841,7 @@ regex_compile (pattern, size, syntax, bufp)
 	    = (fail_stack_elt_t *) xrealloc (fail_stack.stack,
 					     (fail_stack.size
 					      * sizeof (fail_stack_elt_t)));
-#else /* not emacs */
+# else /* not emacs */
 	if (! fail_stack.stack)
 	  fail_stack.stack
 	    = (fail_stack_elt_t *) malloc (fail_stack.size
@@ -2862,7 +2851,7 @@ regex_compile (pattern, size, syntax, bufp)
 	    = (fail_stack_elt_t *) realloc (fail_stack.stack,
 					    (fail_stack.size
 					     * sizeof (fail_stack_elt_t)));
-#endif /* not emacs */
+# endif /* not emacs */
       }
 
     regex_grow_registers (num_regs);
@@ -3543,9 +3532,9 @@ re_search_2 (bufp, string1, size1, string2, size2, startpos, range, regs, stop)
       val = re_match_2_internal (bufp, string1, size1, string2, size2,
 				 startpos, regs, stop);
 #ifndef REGEX_MALLOC
-#ifdef C_ALLOCA
+# ifdef C_ALLOCA
       alloca (0);
-#endif
+# endif
 #endif
 
       if (val >= 0)
@@ -3622,8 +3611,8 @@ re_search_2 (bufp, string1, size1, string2, size2, startpos, range, regs, stop)
 
 /* Free everything we malloc.  */
 #ifdef MATCH_MAY_ALLOCATE
-#define FREE_VAR(var) if (var) REGEX_FREE (var); var = NULL
-#define FREE_VARIABLES()						\
+# define FREE_VAR(var) if (var) REGEX_FREE (var); var = NULL
+# define FREE_VARIABLES()						\
   do {									\
     REGEX_FREE_STACK (fail_stack.stack);				\
     FREE_VAR (regstart);						\
@@ -3637,7 +3626,7 @@ re_search_2 (bufp, string1, size1, string2, size2, startpos, range, regs, stop)
     FREE_VAR (reg_info_dummy);						\
   } while (0)
 #else
-#define FREE_VARIABLES() ((void)0) /* Do nothing!  But inhibit gcc warning.  */
+# define FREE_VARIABLES() ((void)0) /* Do nothing!  But inhibit gcc warning. */
 #endif /* not MATCH_MAY_ALLOCATE */
 
 /* These values must meet several constraints.  They must not be valid
@@ -3664,11 +3653,11 @@ re_match (bufp, string, size, pos, regs)
 {
   int result = re_match_2_internal (bufp, NULL, 0, string, size,
 				    pos, regs, size);
-#ifndef REGEX_MALLOC
-#ifdef C_ALLOCA
+# ifndef REGEX_MALLOC
+#  ifdef C_ALLOCA
   alloca (0);
-#endif
-#endif
+#  endif
+# endif
   return result;
 }
 #endif /* not emacs */
@@ -3710,9 +3699,9 @@ re_match_2 (bufp, string1, size1, string2, size2, pos, regs, stop)
   int result = re_match_2_internal (bufp, string1, size1, string2, size2,
 				    pos, regs, stop);
 #ifndef REGEX_MALLOC
-#ifdef C_ALLOCA
+# ifdef C_ALLOCA
   alloca (0);
-#endif
+# endif
 #endif
   return result;
 }
@@ -4460,7 +4449,7 @@ re_match_2_internal (bufp, string1, size1, string2, size2, pos, regs, stop)
                    past them.  */
 		if (translate
                     ? bcmp_translate (d, d2, mcnt, translate)
-                    : bcmp (d, d2, mcnt))
+                    : memcmp (d, d2, mcnt))
 		  goto fail;
 		d += mcnt, d2 += mcnt;
 
@@ -5413,7 +5402,7 @@ re_compile_pattern (pattern, length, bufp)
 /* Entry points compatible with 4.2 BSD regex library.  We don't define
    them unless specifically requested.  */
 
-#if defined (_REGEX_RE_COMP) || defined (_LIBC)
+#if defined _REGEX_RE_COMP || defined _LIBC
 
 /* BSD has one and only one pattern buffer.  */
 static struct re_pattern_buffer re_comp_buf;
@@ -5687,11 +5676,15 @@ regerror (errcode, preg, errbuf, errbuf_size)
     {
       if (msg_size > errbuf_size)
         {
-          strncpy (errbuf, msg, errbuf_size - 1);
+#if defined HAVE_MEMPCPY || defined _LIBC
+	  *((char *) __mempcpy (errbuf, msg, errbuf_size - 1)) = '\0';
+#else
+          memcpy (errbuf, msg, errbuf_size - 1);
           errbuf[errbuf_size - 1] = 0;
+#endif
         }
       else
-        strcpy (errbuf, msg);
+        memcpy (errbuf, msg, msg_size);
     }
 
   return msg_size;
diff --git a/posix/unistd.h b/posix/unistd.h
index 04fb89bc4b..f14e02d02b 100644
--- a/posix/unistd.h
+++ b/posix/unistd.h
@@ -124,6 +124,17 @@ __BEGIN_DECLS
 
    _XOPEN_SHM			Shared memory interface according to XPG4.2.
 
+   _XBS5_ILP32_OFF32		Implementation provides environment with 32-bit
+				int, long, pointer, and off_t types.
+   _XBS5_ILP32_OFFBIG		Implementation provides environment with 32-bit
+				int, long, and pointer and off_t with at least
+				64 bits.
+   _XBS5_LP64_OFF64		Implementation provides environment with 32-bit
+				int, and 64-bit long, pointer, and off_t types.
+   _XBS5_LPBIG_OFFBIG		Implementation provides environment with at
+				least 32 bits int and long, pointer, and off_t
+				with at least 64 bits.
+
    If any of these symbols is defined as -1, the corresponding option is not
    true for any file.  If any is defined as other than -1, the corresponding
    option is true for all files.  If a symbol is not defined at all, the value
diff --git a/posix/wordexp.c b/posix/wordexp.c
index 54a550bf91..42b22ec8de 100644
--- a/posix/wordexp.c
+++ b/posix/wordexp.c
@@ -38,6 +38,8 @@
 #include <stdio.h>
 #include <fnmatch.h>
 
+#include <stdio-common/_itoa.h>
+
 /* Undefine the following line for the production version.  */
 /* #define NDEBUG 1 */
 #include <assert.h>
@@ -112,9 +114,8 @@ w_addstr (char *buffer, size_t *actlen, size_t *maxlen, const char *str)
 
   if (buffer != NULL)
     {
-      memcpy (&buffer[*actlen], str, len);
+      *((char *) __mempcpy (&buffer[*actlen], str, len)) = '\0';
       *actlen += len;
-      buffer[*actlen] = '\0';
     }
 
   return buffer;
@@ -156,7 +157,7 @@ parse_backslash (char **word, size_t *word_length, size_t *max_length,
       return WRDE_SYNTAX;
 
     case '\n':
-      (*offset)++;
+      ++(*offset);
       break;
 
     default:
@@ -164,7 +165,7 @@ parse_backslash (char **word, size_t *word_length, size_t *max_length,
       if (*word == NULL)
 	return WRDE_NOSPACE;
 
-      (*offset)++;
+      ++(*offset);
       break;
     }
 
@@ -363,12 +364,13 @@ parse_glob (char **word, size_t *word_length, size_t *max_length,
   if (ifs && !*ifs)
     {
       /* No field splitting allowed */
-      *word_length = strlen (globbuf.gl_pathv[0]);
-      *word = realloc (*word, 1 + *word_length);
+      size_t length = strlen (globbuf.gl_pathv[0]);
+      *word = realloc (*word, length + 1);
       if (*word == NULL)
 	goto no_space;
 
-      strcpy (*word, globbuf.gl_pathv[0]);
+      memcpy (*word, globbuf.gl_pathv[0], length + 1);
+      *word_length = length;
 
       for (match = 1; match < globbuf.gl_pathc && *word != NULL; ++match)
 	{
@@ -389,11 +391,10 @@ parse_glob (char **word, size_t *word_length, size_t *max_length,
   *word = NULL;
   *word_length = 0;
 
-  matching_word = malloc (1 + strlen (globbuf.gl_pathv[0]));
+  matching_word = __strdup (globbuf.gl_pathv[0]);
   if (matching_word == NULL)
     goto no_space;
 
-  strcpy (matching_word, globbuf.gl_pathv[0]);
   if (w_addword (pwordexp, matching_word) == WRDE_NOSPACE)
     goto no_space;
 
@@ -624,7 +625,7 @@ parse_arith (char **word, size_t *word_length, size_t *max_length,
 	case ')':
 	  if (--paren_depth == 0)
 	    {
-	      char *result;
+	      char result[21];	/* 21 = ceil(log10(2^64)) + 1 */
 	      int numresult = 0;
 
 	      if (bracket || words[1 + *offset] != ')')
@@ -637,9 +638,9 @@ parse_arith (char **word, size_t *word_length, size_t *max_length,
 		  eval_expr (expr, &numresult) != 0)
 		return WRDE_SYNTAX;
 
-	      result = __alloca (100);
-	      __snprintf (result, 100, "%d", numresult);
-	      *word = w_addstr (*word, word_length, max_length, result);
+	      result[20] = '\0';
+	      *word = w_addstr (*word, word_length, max_length,
+				_itoa_word (numresult, &result[20], 10, 0));
 	      free (expr);
 	      return *word ? 0 : WRDE_NOSPACE;
 	    }
@@ -652,16 +653,16 @@ parse_arith (char **word, size_t *word_length, size_t *max_length,
 	case ']':
 	  if (bracket && paren_depth == 1)
 	    {
-	      char *result;
+	      char result[21];	/* 21 = ceil(log10(2^64)) + 1 */
 	      int numresult = 0;
 
 	      /* Go - evaluate. */
 	      if (*expr && eval_expr (expr, &numresult) != 0)
 		return WRDE_SYNTAX;
 
-	      result = __alloca (100);
-	      __snprintf (result, 100, "%d", numresult);
-	      *word = w_addstr (*word, word_length, max_length, result);
+	      result[20] = '\0';
+	      *word = w_addstr (*word, word_length, max_length,
+				_itoa_word (numresult, &result[20], 10, 0));
 	      free (expr);
 	      return *word ? 0 : WRDE_NOSPACE;
 	    }
@@ -727,6 +728,8 @@ exec_comm (char *comm, char **word, size_t *word_length, size_t *max_length,
   if (pid == 0)
     {
       /* Child */
+      const char *args[4] = { _PATH_BSHELL, "-c", comm, NULL };
+
       /* Redirect input and output */
       dup2 (fildes[1], 1);
 
@@ -734,10 +737,10 @@ exec_comm (char *comm, char **word, size_t *word_length, size_t *max_length,
       if ((flags & WRDE_SHOWERR) == 0)
 	close (2);
 
-      execl (_PATH_BSHELL, _PATH_BSHELL, "-c", comm, NULL);
+      __execve (_PATH_BSHELL, (char *const *) args, __environ);
 
-      /* Bad. What now? */
-      exit (1);
+      /* Bad.  What now?  */
+      abort ();
     }
 
   /* Parent */
@@ -752,7 +755,7 @@ exec_comm (char *comm, char **word, size_t *word_length, size_t *max_length,
 	{
 	  if ((buflen = read (fildes[0], buffer, bufsize)) < 1)
 	    {
-	      if (waitpid (pid, NULL, WNOHANG) == 0)
+	      if (__waitpid (pid, NULL, WNOHANG) == 0)
 		continue;
 	      if ((buflen = read (fildes[0], buffer, bufsize)) < 1)
 		break;
@@ -780,7 +783,7 @@ exec_comm (char *comm, char **word, size_t *word_length, size_t *max_length,
     {
       if ((buflen = read (fildes[0], buffer, bufsize)) < 1)
 	{
-	  if (waitpid (pid, NULL, WNOHANG) == 0)
+	  if (__waitpid (pid, NULL, WNOHANG) == 0)
 	    continue;
 	  if ((read (fildes[0], buffer, bufsize)) < 1)
 	    break;
@@ -856,7 +859,7 @@ parse_comm (char **word, size_t *word_length, size_t *max_length,
 	  break;
 
 	case '(':
-	  paren_depth++;
+	  ++paren_depth;
 	default:
 	  comm = w_addchar (comm, &comm_length, &comm_maxlen, words[*offset]);
 	  if (comm == NULL)
diff --git a/resolv/inet_pton.c b/resolv/inet_pton.c
index 0c8f79f2c5..7f8370dbd2 100644
--- a/resolv/inet_pton.c
+++ b/resolv/inet_pton.c
@@ -26,7 +26,7 @@ static char rcsid[] = "$Id$";
 #include <arpa/nameser.h>
 #include <string.h>
 #include <errno.h>
-#include "../conf/portability.h"
+#include <conf/portability.h>
 
 /*
  * WARNING: Don't even consider trying to compile this on a system where
diff --git a/shadow/sgetspent_r.c b/shadow/sgetspent_r.c
index 8aa5a9bdc1..01f0115164 100644
--- a/shadow/sgetspent_r.c
+++ b/shadow/sgetspent_r.c
@@ -32,7 +32,7 @@ struct spent_data {};
 #define FALSE(arg) 0
 
 
-#include "../nss/nss_files/files-parse.c"
+#include <nss/nss_files/files-parse.c>
 LINE_PARSER
 (,
  STRING_FIELD (result->sp_namp, ISCOLON, 0);
diff --git a/stdio-common/vfprintf.c b/stdio-common/vfprintf.c
index ef9e62ffcc..d97476b13a 100644
--- a/stdio-common/vfprintf.c
+++ b/stdio-common/vfprintf.c
@@ -1499,8 +1499,7 @@ group_number (CHAR_T *w, CHAR_T *rear_ptr, const CHAR_T *grouping,
 
   /* Copy existing string so that nothing gets overwritten.  */
   src = (char *) alloca (rear_ptr - w);
-  memcpy (src, w + 1, rear_ptr - w);
-  s = &src[rear_ptr - w - 1];
+  s = (char *) __mempcpy (src, w + 1, rear_ptr - w) - 1;
   w = rear_ptr;
 
   /* Process all characters in the string.  */
diff --git a/stdlib/canonicalize.c b/stdlib/canonicalize.c
index ea7883dba5..3617226f0a 100644
--- a/stdlib/canonicalize.c
+++ b/stdlib/canonicalize.c
@@ -45,6 +45,22 @@ canonicalize (const char *name, char *resolved)
   long int path_max;
   int num_links = 0;
 
+  if (name == NULL || resolved == NULL)
+    {
+      /* As per Single Unix Specification V2 we must return an error if
+	 either parameter is a null pointer.  */
+      __set_errno (EINVAL);
+      return NULL;
+    }
+
+  if (name[0] == '\0')
+    {
+      /* As per Single Unix Specification V2 we must return an error if
+	 the name argument points to an empty string.  */
+      __set_errno (ENOENT);
+      return NULL;
+    }
+
 #ifdef PATH_MAX
   path_max = PATH_MAX;
 #else
@@ -73,21 +89,23 @@ canonicalize (const char *name, char *resolved)
       struct stat st;
       int n;
 
-      /* skip sequence of multiple path-separators: */
+      /* Skip sequence of multiple path-separators.  */
       while (*start == '/') ++start;
 
-      /* find end of path component: */
+      /* Find end of path component.  */
       for (end = start; *end && *end != '/'; ++end);
 
       if (end - start == 0)
 	break;
       else if (strncmp (start, ".", end - start) == 0)
 	/* nothing */;
-      else if (strncmp (start, "..", end - start) == 0) {
-	/* back up to previous component, ignore if at root already: */
-	if (dest > rpath + 1)
-	  while ((--dest)[-1] != '/');
-      } else
+      else if (strncmp (start, "..", end - start) == 0)
+	{
+	  /* Back up to previous component, ignore if at root already.  */
+	  if (dest > rpath + 1)
+	    while ((--dest)[-1] != '/');
+	}
+      else
 	{
 	  size_t new_size;
 
@@ -112,8 +130,7 @@ canonicalize (const char *name, char *resolved)
 		return NULL;
 	    }
 
-	  memcpy (dest, start, end - start);
-	  dest += end - start;
+	  dest = __mempcpy (dest, start, end - start);
 	  *dest = '\0';
 
 	  if (__lstat (rpath, &st) < 0)
@@ -146,8 +163,8 @@ canonicalize (const char *name, char *resolved)
 		}
 
 	      /* Careful here, end may be a pointer into extra_buf... */
-	      memcpy (&buf[n], end, len + 1);
-	      strcpy (extra_buf, buf);
+	      memmove (&extra_buf[n], end, len + 1);
+	      memcpy (extra_buf, buf, n);
 	      name = end = extra_buf;
 
 	      if (buf[0] == '/')
diff --git a/stdlib/msort.c b/stdlib/msort.c
index 4cd3e3f167..1c36a4cb9c 100644
--- a/stdlib/msort.c
+++ b/stdlib/msort.c
@@ -71,17 +71,16 @@ msort_with_tmp (b, n, s, cmp, t)
       {
 	if ((*cmp) (b1, b2) <= 0)
 	  {
-	    memcpy (tmp, b1, s);
+	    tmp = (char *) __mempcpy (tmp, b1, s);
 	    b1 += s;
 	    --n1;
 	  }
 	else
 	  {
-	    memcpy (tmp, b2, s);
+	    tmp = (char *) __mempcpy (tmp, b2, s);
 	    b2 += s;
 	    --n2;
 	  }
-	tmp += s;
       }
   if (n1 > 0)
     memcpy (tmp, b1, n1 * s);
diff --git a/stdlib/test-canon.c b/stdlib/test-canon.c
index ffd6fa99d4..c239d50ae8 100644
--- a/stdlib/test-canon.c
+++ b/stdlib/test-canon.c
@@ -117,6 +117,30 @@ main (int argc, char ** argv)
   getcwd (cwd, sizeof(buf));
   cwd_len = strlen (cwd);
 
+  errno = 0;
+  if (realpath (NULL, buf) != NULL || errno != EINVAL)
+    {
+      printf ("%s: expected return value NULL and errno set to EINVAL"
+	      " for realpath(NULL,...)\n", argv[0]);
+      ++errors;
+    }
+
+  errno = 0;
+  if (realpath ("/", NULL) != NULL || errno != EINVAL)
+    {
+      printf ("%s: expected return value NULL and errno set to EINVAL"
+	      " for realpath(...,NULL)\n", argv[0]);
+      ++errors;
+    }
+
+  errno = 0;
+  if (realpath ("", buf) != NULL || errno != ENOENT)
+    {
+      printf ("%s: expected return value NULL and set errno to ENOENT",
+	      " for realpath(\"\",...)\n", argv[0]);
+      ++errors;
+    }
+
   for (i = 0; i < (int) (sizeof (symlinks) / sizeof (symlinks[0])); ++i)
     symlink (symlinks[i].value, symlinks[i].name);
 
diff --git a/string/argz-replace.c b/string/argz-replace.c
index 4d658f4713..4540cba58f 100644
--- a/string/argz-replace.c
+++ b/string/argz-replace.c
@@ -18,6 +18,7 @@
    Boston, MA 02111-1307, USA.  */
 
 #include <stdlib.h>
+#include <string.h>
 #include <argz.h>
 
 /* Append BUF, of length BUF_LEN to *TO, of length *TO_LEN, reallocating and
@@ -31,8 +32,7 @@ str_append (char **to, size_t *to_len, const char *buf, const size_t buf_len)
 
   if (new_to)
     {
-      memcpy (new_to + *to_len, buf, buf_len);
-      new_to[new_len] = '\0';
+      *((char *) __mempcpy (new_to + *to_len, buf, buf_len)) = '\0';
       *to = new_to;
       *to_len = new_len;
     }
diff --git a/sunrpc/svcauth_des.c b/sunrpc/svcauth_des.c
index c2dde692f4..7160726e86 100644
--- a/sunrpc/svcauth_des.c
+++ b/sunrpc/svcauth_des.c
@@ -328,17 +328,19 @@ _svcauth_des (register struct svc_req *rqst, register struct rpc_msg *msg)
   cache_ref (sid);
   if (cred->adc_namekind == ADN_FULLNAME)
     {
+      size_t full_len;
+
       cred->adc_fullname.window = window;
       cred->adc_nickname = (u_long) sid;	/* save nickname */
       if (entry->rname != NULL)
 	{
 	  mem_free (entry->rname, strlen (entry->rname) + 1);
 	}
-      entry->rname = mem_alloc ((u_int) strlen (cred->adc_fullname.name)
-				+ 1);
+      full_len = strlen (cred->adc_fullname.name) + 1;
+      entry->rname = mem_alloc ((u_int) full_len);
       if (entry->rname != NULL)
 	{
-	  strcpy (entry->rname, cred->adc_fullname.name);
+	  memcpy (entry->rname, cred->adc_fullname.name, full_len);
 	}
       else
 	{
diff --git a/sysdeps/generic/bits/confname.h b/sysdeps/generic/bits/confname.h
index 6926cad0ad..40228e11ed 100644
--- a/sysdeps/generic/bits/confname.h
+++ b/sysdeps/generic/bits/confname.h
@@ -316,8 +316,9 @@ enum
 #define	_SC_NL_TEXTMAX			_SC_NL_TEXTMAX
   };
 
-#if (defined __USE_POSIX2 || defined __USE_FILE_OFFSET64 \
-     || defined __USE_LARGEFILE64 || defined __USE_LARGEFILE)
+#if (defined __USE_POSIX2 || defined __USE_UNIX98 \
+     || defined __USE_FILE_OFFSET64 || defined __USE_LARGEFILE64 \
+     || defined __USE_LARGEFILE)
 /* Values for the NAME argument to `confstr'.  */
 enum
   {
@@ -340,8 +341,43 @@ enum
 # define _CS_LFS64_LDFLAGS	_CS_LFS64_LDFLAGS
     _CS_LFS64_LIBS,
 # define _CS_LFS64_LIBS		_CS_LFS64_LIBS
-    _CS_LFS64_LINTFLAGS
+    _CS_LFS64_LINTFLAGS,
 # define _CS_LFS64_LINTFLAGS	_CS_LFS64_LINTFLAGS
 #endif
+
+#ifdef __USE_UNIX98
+    _CS_XBS5_ILP32_OFF32_CFLAGS = 1100,
+# define _CS_XBS5_ILP32_OFF32_CFLAGS _CS_XBS5_ILP32_OFF32_CFLAGS
+    _CS_XBS5_ILP32_OFF32_LDFLAGS,
+# define _CS_XBS5_ILP32_OFF32_LDFLAGS _CS_XBS5_ILP32_OFF32_LDFLAGS
+    _CS_XBS5_ILP32_OFF32_LIBS,
+# define _CS_XBS5_ILP32_OFF32_LIBS _CS_XBS5_ILP32_OFF32_LIBS
+    _CS_XBS5_ILP32_OFF32_LINTFLAGS,
+# define _CS_XBS5_ILP32_OFF32_LINTFLAGS _CS_XBS5_ILP32_OFF32_LINTFLAGS
+    _CS_XBS5_ILP32_OFFBIG_CFLAGS,
+# define _CS_XBS5_ILP32_OFFBIG_CFLAGS _CS_XBS5_ILP32_OFFBIG_CFLAGS
+    _CS_XBS5_ILP32_OFFBIG_LDFLAGS,
+# define _CS_XBS5_ILP32_OFFBIG_LDFLAGS _CS_XBS5_ILP32_OFFBIG_LDFLAGS
+    _CS_XBS5_ILP32_OFFBIG_LIBS,
+# define _CS_XBS5_ILP32_OFFBIG_LIBS _CS_XBS5_ILP32_OFFBIG_LIBS
+    _CS_XBS5_ILP32_OFFBIG_LINTFLAGS,
+# define _CS_XBS5_ILP32_OFFBIG_LINTFLAGS _CS_XBS5_ILP32_OFFBIG_LINTFLAGS
+    _CS_XBS5_LP64_OFF64_CFLAGS,
+# define _CS_XBS5_LP64_OFF64_CFLAGS _CS_XBS5_LP64_OFF64_CFLAGS
+    _CS_XBS5_LP64_OFF64_LDFLAGS,
+# define _CS_XBS5_LP64_OFF64_LDFLAGS _CS_XBS5_LP64_OFF64_LDFLAGS
+    _CS_XBS5_LP64_OFF64_LIBS,
+# define _CS_XBS5_LP64_OFF64_LIBS _CS_XBS5_LP64_OFF64_LIBS
+    _CS_XBS5_LP64_OFF64_LINTFLAGS,
+# define _CS_XBS5_LP64_OFF64_LINTFLAGS _CS_XBS5_LP64_OFF64_LINTFLAGS
+    _CS_XBS5_LPBIG_OFFBIG_CFLAGS,
+# define _CS_XBS5_LPBIG_OFFBIG_CFLAGS _CS_XBS5_LPBIG_OFFBIG_CFLAGS
+    _CS_XBS5_LPBIG_OFFBIG_LDFLAGS,
+# define _CS_XBS5_LPBIG_OFFBIG_LDFLAGS _CS_XBS5_LPBIG_OFFBIG_LDFLAGS
+    _CS_XBS5_LPBIG_OFFBIG_LIBS,
+# define _CS_XBS5_LPBIG_OFFBIG_LIBS _CS_XBS5_LPBIG_OFFBIG_LIBS
+    _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS,
+# define _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS
+#endif
   };
 #endif
diff --git a/sysdeps/generic/putenv.c b/sysdeps/generic/putenv.c
index e5031c4285..296f2847cf 100644
--- a/sysdeps/generic/putenv.c
+++ b/sysdeps/generic/putenv.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1994, 1995, 1996 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1994, 1995, 1996, 1997 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -55,11 +55,15 @@ putenv (string)
 {
   const char *const name_end = strchr (string, '=');
 
-  if (name_end)
+  if (name_end != NULL)
     {
       char *name = alloca (name_end - string + 1);
+#ifdef _LIBC
+      *((char *) __mempcpy (name, string, name_end - string)) = '\0';
+#else
       memcpy (name, string, name_end - string);
       name[name_end - string] = '\0';
+#endif
       return setenv (name, name_end + 1, 1);
     }
 
diff --git a/sysdeps/generic/setenv.c b/sysdeps/generic/setenv.c
index e740fa9eef..f58c65b7f6 100644
--- a/sysdeps/generic/setenv.c
+++ b/sysdeps/generic/setenv.c
@@ -91,6 +91,8 @@ setenv (name, value, replace)
   if (__environ == NULL || *ep == NULL)
     {
       char **new_environ;
+      char *tmp;
+
       if (__environ == last_environ && __environ != NULL)
 	/* We allocated this space; we can extend it.  */
 	new_environ = (char **) realloc (last_environ,
@@ -117,9 +119,15 @@ setenv (name, value, replace)
 	memcpy ((char *) new_environ, (char *) __environ,
 		size * sizeof (char *));
 
+#ifdef _LIBC
+      tmp = __mempcpy (new_environ[size], name, namelen);
+      *tmp++ = '=';
+      __mempcpy (tmp, value, vallen);
+#else
       memcpy (new_environ[size], name, namelen);
       new_environ[size][namelen] = '=';
       memcpy (&new_environ[size][namelen + 1], value, vallen);
+#endif
 
       new_environ[size + 1] = NULL;
 
@@ -138,8 +146,12 @@ setenv (name, value, replace)
 	      return -1;
 	    }
 	  *ep = new;
+#ifdef _LIBC
+	  *((char *) __mempcpy (*ep, name, namelen)) = '=';
+#else
 	  memcpy (*ep, name, namelen);
 	  (*ep)[namelen] = '=';
+#endif
 	}
       memcpy (&(*ep)[namelen + 1], value, vallen);
     }
diff --git a/sysdeps/posix/getcwd.c b/sysdeps/posix/getcwd.c
index 865bd3fa6a..01f86ef47f 100644
--- a/sysdeps/posix/getcwd.c
+++ b/sysdeps/posix/getcwd.c
@@ -26,12 +26,12 @@
  */
 
 /* AIX requires this to be the first thing in the file.  */
-#if defined (_AIX) && !defined (__GNUC__)
+#if defined _AIX && !defined __GNUC__
  #pragma alloca
 #endif
 
 #ifdef	HAVE_CONFIG_H
-#include "config.h"
+# include "config.h"
 #endif
 
 #include <errno.h>
@@ -39,92 +39,91 @@
 #include <sys/stat.h>
 
 #ifdef	STDC_HEADERS
-#include <stddef.h>
+# include <stddef.h>
 #endif
 
-#if !defined(__GNU_LIBRARY__) && !defined(STDC_HEADERS)
+#if !defined __GNU_LIBRARY__ && !defined STDC_HEADERS
 extern int errno;
 #endif
 #ifndef __set_errno
-#define __set_errno(val) errno = (val)
+# define __set_errno(val) errno = (val)
 #endif
 
 #ifndef	NULL
-#define	NULL	0
+# define NULL	0
 #endif
 
-#if defined (USGr3) && !defined (DIRENT)
-#define DIRENT
+#if defined USGr3 && !defined DIRENT
+# define DIRENT
 #endif /* USGr3 */
-#if defined (Xenix) && !defined (SYSNDIR)
-#define SYSNDIR
+#if defined Xenix && !defined SYSNDIR
+# define SYSNDIR
 #endif /* Xenix */
 
-#if defined (POSIX) || defined (DIRENT) || defined (__GNU_LIBRARY__)
-#include <dirent.h>
-#ifndef	__GNU_LIBRARY__
-#define D_NAMLEN(d) strlen((d)->d_name)
-#else
-#define	HAVE_D_NAMLEN
-#define D_NAMLEN(d) ((d)->d_namlen)
-#endif
+#if defined POSIX || defined DIRENT || defined __GNU_LIBRARY__
+# include <dirent.h>
+# ifndef __GNU_LIBRARY__
+#  define D_NAMLEN(d) strlen((d)->d_name)
+# else
+#  define HAVE_D_NAMLEN
+#  define D_NAMLEN(d) ((d)->d_namlen)
+# endif
 #else /* not POSIX or DIRENT */
-#define	dirent		direct
-#define D_NAMLEN(d)	((d)->d_namlen)
-#define	HAVE_D_NAMLEN
-#if defined (USG) && !defined (sgi)
-#if defined (SYSNDIR)
-#include <sys/ndir.h>
-#else /* Not SYSNDIR */
-#include "ndir.h"
-#endif /* SYSNDIR */
-#else /* not USG */
-#include <sys/dir.h>
-#endif /* USG */
+# define dirent		direct
+# define D_NAMLEN(d)	((d)->d_namlen)
+# define HAVE_D_NAMLEN
+# if defined USG && !defined sgi
+#  if defined SYSNDIR
+#   include <sys/ndir.h>
+#  else /* Not SYSNDIR */
+#   include "ndir.h"
+#  endif /* SYSNDIR */
+# else /* not USG */
+#  include <sys/dir.h>
+# endif /* USG */
 #endif /* POSIX or DIRENT or __GNU_LIBRARY__ */
 
-#if	defined (HAVE_UNISTD_H) || defined (__GNU_LIBRARY__)
-#include <unistd.h>
+#if defined HAVE_UNISTD_H || defined __GNU_LIBRARY__
+# include <unistd.h>
 #endif
 
-#if	(defined (STDC_HEADERS) || defined (__GNU_LIBRARY__) \
-	 || defined (POSIX))
-#include <stdlib.h>
-#include <string.h>
-#define	ANSI_STRING
+#if defined STDC_HEADERS || defined __GNU_LIBRARY__ || defined POSIX
+# include <stdlib.h>
+# include <string.h>
+# define ANSI_STRING
 #else	/* No standard headers.  */
 
-#ifdef	USG
+# ifdef	USG
 
-#include <string.h>
-#ifdef	NEED_MEMORY_H
-#include <memory.h>
-#endif
-#define	ANSI_STRING
+#  include <string.h>
+#  ifdef NEED_MEMORY_H
+#   include <memory.h>
+#  endif
+#  define	ANSI_STRING
 
-#else	/* Not USG.  */
+# else	/* Not USG.  */
 
-#ifdef	NeXT
+#  ifdef NeXT
 
-#include <string.h>
+#   include <string.h>
 
-#else	/* Not NeXT.  */
+#  else	/* Not NeXT.  */
 
-#include <strings.h>
+#   include <strings.h>
 
-#ifndef	bcmp
+#   ifndef bcmp
 extern int bcmp ();
-#endif
-#ifndef	bzero
+#   endif
+#   ifndef bzero
 extern void bzero ();
-#endif
-#ifndef	bcopy
+#   endif
+#   ifndef bcopy
 extern void bcopy ();
-#endif
+#   endif
 
-#endif	/* NeXT. */
+#  endif /* NeXT. */
 
-#endif	/* USG.  */
+# endif	/* USG.  */
 
 extern char *malloc (), *realloc ();
 extern void free ();
@@ -132,59 +131,58 @@ extern void free ();
 #endif /* Standard headers.  */
 
 #ifndef	ANSI_STRING
-#define	memcpy(d, s, n)	bcopy((s), (d), (n))
-#define	memmove memcpy
+# define memcpy(d, s, n)	bcopy((s), (d), (n))
+# define memmove memcpy
 #endif	/* Not ANSI_STRING.  */
 
-#if	!defined(__alloca) && !defined(__GNU_LIBRARY__)
+#if !defined __alloca && !defined __GNU_LIBRARY__
 
-#ifdef	__GNUC__
-#undef	alloca
-#define	alloca(n)	__builtin_alloca (n)
-#else	/* Not GCC.  */
-#if	defined (sparc) || defined (HAVE_ALLOCA_H)
-#include <alloca.h>
-#else	/* Not sparc or HAVE_ALLOCA_H.  */
-#ifndef	_AIX
+# ifdef	__GNUC__
+#  undef alloca
+#  define alloca(n)	__builtin_alloca (n)
+# else	/* Not GCC.  */
+#  if	defined sparc || defined HAVE_ALLOCA_H
+#   include <alloca.h>
+#  else	/* Not sparc or HAVE_ALLOCA_H.  */
+#   ifndef _AIX
 extern char *alloca ();
-#endif	/* Not _AIX.  */
-#endif	/* sparc or HAVE_ALLOCA_H.  */
-#endif	/* GCC.  */
+#   endif /* Not _AIX.  */
+#  endif /* sparc or HAVE_ALLOCA_H.  */
+# endif	/* GCC.  */
 
-#define	__alloca	alloca
+# define __alloca	alloca
 
 #endif
 
-#if (defined (HAVE_LIMITS_H) || defined (STDC_HEADERS) || \
-     defined (__GNU_LIBRARY__))
-#include <limits.h>
+#if defined HAVE_LIMITS_H || defined STDC_HEADERS || defined __GNU_LIBRARY__
+# include <limits.h>
 #else
-#include <sys/param.h>
+# include <sys/param.h>
 #endif
 
 #ifndef PATH_MAX
-#ifdef	MAXPATHLEN
-#define	PATH_MAX MAXPATHLEN
-#else
-#define	PATH_MAX 1024
-#endif
+# ifdef	MAXPATHLEN
+#  define PATH_MAX MAXPATHLEN
+# else
+#  define PATH_MAX 1024
+# endif
 #endif
 
-#if !defined (STDC_HEADERS) && !defined (__GNU_LIBRARY__)
-#undef	size_t
-#define	size_t	unsigned int
+#if !defined STDC_HEADERS && !defined __GNU_LIBRARY__
+# undef	size_t
+# define size_t	unsigned int
 #endif
 
-#if !__STDC__ && !defined (const)
-#define const
+#if !__STDC__ && !defined const
+# define const
 #endif
 
 #ifndef __GNU_LIBRARY__
-#define	__lstat	stat
+# define __lstat	stat
 #endif
 
 #ifndef _LIBC
-#define __getcwd getcwd
+# define __getcwd getcwd
 #endif
 
 /* Get the pathname of the current working directory, and put it in SIZE
@@ -264,18 +262,28 @@ __getcwd (buf, size)
 	      new = malloc (dotsize * 2 + 1);
 	      if (new == NULL)
 		return NULL;
+#ifdef HAVE_MEMPCPY
+	      dotp = mempcpy (new, dots, dotsize);
+#else
 	      memcpy (new, dots, dotsize);
+	      dotp = &new[dotsize];
+#endif
 	    }
 	  else
 	    {
 	      new = realloc ((__ptr_t) dotlist, dotsize * 2 + 1);
 	      if (new == NULL)
 		goto lose;
+	      dotp = &new[dotsize];
 	    }
-	  memcpy (&new[dotsize], new, dotsize);
-	  dotp = &new[dotsize];
+#ifdef HAVE_MEMPCPY
+	  *((char *) mempcpy (dotp, new, dotsize)) = '\0';
+	  dotsize *= 2;
+#else
+	  memcpy (dotp, new, dotsize);
 	  dotsize *= 2;
 	  new[dotsize] = '\0';
+#endif
 	  dotlist = new;
 	}
 
@@ -301,9 +309,15 @@ __getcwd (buf, size)
 	  if (mount_point || (ino_t) d->d_ino == thisino)
 	    {
 	      char name[dotlist + dotsize - dotp + 1 + _D_ALLOC_NAMLEN (d)];
+#ifdef HAVE_MEMPCPY
+	      char *tmp = mempcpy (name, dotp, dotlist + dotsize - dotp);
+	      *tmp++ = '/';
+	      strcpy (tmp, d->d_name);
+#else
 	      memcpy (name, dotp, dotlist + dotsize - dotp);
 	      name[dotlist + dotsize - dotp] = '/';
 	      strcpy (&name[dotlist + dotsize - dotp + 1], d->d_name);
+#endif
 	      if (__lstat (name, &st) < 0)
 		{
 		  int save = errno;
diff --git a/sysdeps/posix/ttyname.c b/sysdeps/posix/ttyname.c
index ce384ebc0e..a4e4f30526 100644
--- a/sysdeps/posix/ttyname.c
+++ b/sysdeps/posix/ttyname.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 1992, 1993, 1996 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1992, 1993, 1996, 1997 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -71,10 +71,9 @@ ttyname (fd)
 		(void) closedir (dirstream);
 		return NULL;
 	      }
-	    (void) memcpy (name, dev, sizeof (dev) - 1);
-	    name[sizeof (dev) - 1] = '/';
+	    *((char *) __mempcpy (name, dev, sizeof (dev) - 1)) = '/';
 	  }
-	(void) memcpy (&name[sizeof (dev)], d->d_name, dlen);
+	(void) __mempcpy (&name[sizeof (dev)], d->d_name, dlen);
 	if (stat (name, &st) == 0 && st.st_dev == mydev)
 	  {
 	    (void) closedir (dirstream);
diff --git a/sysdeps/posix/writev.c b/sysdeps/posix/writev.c
index f6f685ce7a..ae38fefef3 100644
--- a/sysdeps/posix/writev.c
+++ b/sysdeps/posix/writev.c
@@ -53,11 +53,10 @@ __writev (fd, vector, count)
 #define	min(a, b)	((a) > (b) ? (b) : (a))
       size_t copy = min (vector[i].iov_len, to_copy);
 
-      (void) memcpy ((void *) bp, (void *) vector[i].iov_base, copy);
+      bp = __mempcpy ((void *) bp, (void *) vector[i].iov_base, copy);
 
-      bp += copy;
       to_copy -= copy;
-      if (bytes == 0)
+      if (to_copy == 0)
 	break;
     }
 
diff --git a/sysdeps/unix/readdir_r.c b/sysdeps/unix/readdir_r.c
index a4462f73e7..6d70233e6e 100644
--- a/sysdeps/unix/readdir_r.c
+++ b/sysdeps/unix/readdir_r.c
@@ -96,10 +96,7 @@ __readdir_r (DIR *dirp, struct dirent *entry, struct dirent **result)
     } while (dp->d_ino == 0);
 
   if (dp != NULL)
-    {
-      memcpy (entry, dp, reclen);
-      *result = entry;
-    }
+    *result = memcpy (entry, dp, reclen);
 
   __libc_lock_unlock (dirp->lock);
 
diff --git a/sysdeps/unix/sysv/linux/gethostname.c b/sysdeps/unix/sysv/linux/gethostname.c
index 5df8096bfd..0e3ca57aca 100644
--- a/sysdeps/unix/sysv/linux/gethostname.c
+++ b/sysdeps/unix/sysv/linux/gethostname.c
@@ -30,6 +30,7 @@ __gethostname (name, len)
      size_t len;
 {
   struct utsname buf;
+  size_t node_len;
 
   if (name == NULL)
     {
@@ -40,13 +41,14 @@ __gethostname (name, len)
   if (uname (&buf))
     return -1;
 
-  if (strlen (buf.nodename) + 1 > len)
+  node_len = strlen (buf.nodename) + 1;
+  if (node_len > len)
     {
       __set_errno (EINVAL);
       return -1;
     }
 
-  strcpy (name, buf.nodename);
+  memcpy (name, buf.nodename, node_len);
   return 0;
 }
 
diff --git a/time/strftime.c b/time/strftime.c
index fdf0500a92..8d94dcdf60 100644
--- a/time/strftime.c
+++ b/time/strftime.c
@@ -89,6 +89,14 @@ extern char *tzname[];
 # endif
 #endif
 
+#ifdef _LIBC
+# define MEMPCPY(d, s, n) __mempcpy (d, s, n)
+#else
+# ifndef HAVE_MEMPCPY
+#  define MEMPCPY(d, s, n) ((void *) ((char *) memcpy (d, s, n) + (n)))
+# endif
+#endif
+
 #ifndef __P
 # if defined (__GNUC__) || (defined (__STDC__) && __STDC__)
 #  define __P(args) args
@@ -194,8 +202,7 @@ static const char zeroes[16] = /* "0000000000000000" */
     do									      \
       {									      \
 	int _this = _len > 16 ? 16 : _len;				      \
-	memcpy ((P), spaces, _this);					      \
-	(P) += _this;							      \
+	(P) = mempcpy ((P), spaces, _this);				      \
 	_len -= _this;							      \
       }									      \
     while (_len > 0);							      \
@@ -208,8 +215,7 @@ static const char zeroes[16] = /* "0000000000000000" */
     do									      \
       {									      \
 	int _this = _len > 16 ? 16 : _len;				      \
-	memcpy ((P), zeroes, _this);					      \
-	(P) += _this;							      \
+	(P) = mempcpy ((P), zeroes, _this);				      \
 	_len -= _this;							      \
       }									      \
     while (_len > 0);							      \
diff --git a/time/tzfile.c b/time/tzfile.c
index e3cb299fe1..3d2d3e0485 100644
--- a/time/tzfile.c
+++ b/time/tzfile.c
@@ -134,7 +134,7 @@ __tzfile_read (const char *file)
     {
       const char *tzdir;
       unsigned int len, tzdir_len;
-      char *new;
+      char *new, *tmp;
 
       tzdir = __secure_getenv ("TZDIR");
       if (tzdir == NULL || *tzdir == '\0')
@@ -146,9 +146,9 @@ __tzfile_read (const char *file)
 	tzdir_len = strlen (tzdir);
       len = strlen (file) + 1;
       new = (char *) __alloca (tzdir_len + 1 + len);
-      memcpy (new, tzdir, tzdir_len);
-      new[tzdir_len] = '/';
-      memcpy (&new[tzdir_len + 1], file, len);
+      tmp = __mempcpy (new, tzdir, tzdir_len);
+      *tmp++ = '/';
+      __mempcpy (tmp, file, len);
       file = new;
     }
 
@@ -316,8 +316,7 @@ __tzfile_default (const char *std, const char *dst,
       __use_tzfile = 0;
       return;
     }
-  memcpy (zone_names, std, stdlen);
-  memcpy (&zone_names[stdlen], dst, dstlen);
+  __mempcpy (__mempcpy (zone_names, std, stdlen), dst, dstlen);
 
   /* Find the standard and daylight time offsets used by the rule file.
      We choose the offsets in the types of each flavor that are
diff --git a/wcsmbs/wcsdup.c b/wcsmbs/wcsdup.c
index addbdda2e2..3d676ca704 100644
--- a/wcsmbs/wcsdup.c
+++ b/wcsmbs/wcsdup.c
@@ -33,7 +33,5 @@ wcsdup (s)
   if (new == NULL)
     return NULL;
 
-  memcpy (new, (void *) s, len);
-
-  return (wchar_t *) new;
+  return (wchar_t *) memcpy (new, (void *) s, len);
 }