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+/* Copyright (C) 1991, 1992, 1993 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
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the, 1992 Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+/*
+ *	ANSI Standard: 4.11 STRING HANDLING	<string.h>
+ */
+
+#ifndef	_STRING_H
+
+#define	_STRING_H	1
+#include <features.h>
+
+__BEGIN_DECLS
+
+/* Get size_t and NULL from <stddef.h>.  */
+#define	__need_size_t
+#define	__need_NULL
+#include <stddef.h>
+
+
+/* Copy N bytes of SRC to DEST.  */
+extern __ptr_t memcpy __P ((__ptr_t __dest, __const __ptr_t __src,
+			    size_t __n));
+/* Copy N bytes of SRC to DEST, guaranteeing
+   correct behavior for overlapping strings.  */
+extern __ptr_t memmove __P ((__ptr_t __dest, __const __ptr_t __src,
+			     size_t __n));
+
+/* Copy no more than N bytes of SRC to DEST, stopping when C is found.
+   Return the position in DEST one byte past where C was copied,
+   or NULL if C was not found in the first N bytes of SRC.  */
+extern __ptr_t __memccpy __P ((__ptr_t __dest, __const __ptr_t __src,
+			       int __c, size_t __n));
+#if defined (__USE_SVID) || defined (__USE_BSD)
+extern __ptr_t memccpy __P ((__ptr_t __dest, __const __ptr_t __src,
+			     int __c, size_t __n));
+#ifdef	__OPTIMIZE__
+#define	memccpy(dest, src, c, n) __memccpy((dest), (src), (c), (n))
+#endif /* Optimizing.  */
+#endif /* SVID.  */
+
+
+/* Set N bytes of S to C.  */
+extern __ptr_t memset __P ((__ptr_t __s, int __c, size_t __n));
+
+/* Compare N bytes of S1 and S2.  */
+extern int memcmp __P ((__const __ptr_t __s1, __const __ptr_t __s2,
+			size_t __n));
+
+/* Search N bytes of S for C.  */
+extern __ptr_t memchr __P ((__const __ptr_t __s, int __c, size_t __n));
+
+
+/* Copy SRC to DEST.  */
+extern char *strcpy __P ((char *__dest, __const char *__src));
+/* Copy no more than N characters of SRC to DEST.  */
+extern char *strncpy __P ((char *__dest, __const char *__src, size_t __n));
+
+/* Append SRC onto DEST.  */
+extern char *strcat __P ((char *__dest, __const char *__src));
+/* Append no more than N characters from SRC onto DEST.  */
+extern char *strncat __P ((char *__dest, __const char *__src, size_t __n));
+
+/* Compare S1 and S2.  */
+extern int strcmp __P ((__const char *__s1, __const char *__s2));
+/* Compare N characters of S1 and S2.  */
+extern int strncmp __P ((__const char *__s1, __const char *__s2, size_t __n));
+
+/* Compare the collated forms of S1 and S2.  */
+extern int strcoll __P ((__const char *__s1, __const char *__s2));
+/* Put a transformation of SRC into no more than N bytes of DEST.  */
+extern size_t strxfrm __P ((char *__dest, __const char *__src, size_t __n));
+
+#if defined (__USE_SVID) || defined (__USE_BSD)
+/* Duplicate S, returning an identical malloc'd string.  */
+extern char *strdup __P ((__const char *__s));
+#endif
+
+/* Find the first occurrence of C in S.  */
+extern char *strchr __P ((__const char *__s, int __c));
+/* Find the last occurrence of C in S.  */
+extern char *strrchr __P ((__const char *__s, int __c));
+
+/* Return the length of the initial segment of S which
+   consists entirely of characters not in REJECT.  */
+extern size_t strcspn __P ((__const char *__s, __const char *__reject));
+/* Return the length of the initial segment of S which
+   consists entirely of characters in ACCEPT.  */
+extern size_t strspn __P ((__const char *__s, __const char *__accept));
+/* Find the first occurence in S of any character in ACCEPT.  */
+extern char *strpbrk __P ((__const char *__s, __const char *__accept));
+/* Find the first occurence of NEEDLE in HAYSTACK.  */
+extern char *strstr __P ((__const char *__haystack, __const char *__needle));
+/* Divide S into tokens separated by characters in DELIM.  */
+extern char *strtok __P ((char *__s, __const char *__delim));
+
+#ifdef	__USE_GNU
+/* Find the first occurence of NEEDLE in HAYSTACK.
+   NEEDLE is NEEDLELEN bytes long;
+   HAYSTACK is HAYSTACKLEN bytes long.  */
+extern __ptr_t memmem __P ((__const __ptr_t __haystack, size_t __haystacklen,
+			    __const __ptr_t __needle, size_t __needlelen));
+#endif
+
+/* Return the length of S.  */
+extern size_t strlen __P ((__const char *__s));
+
+/* Return a string describing the meaning of the errno code in ERRNUM.  */
+extern char *strerror __P ((int __errnum));
+
+#ifdef	__USE_BSD
+/* Find the first occurrence of C in S (same as strchr).  */
+extern char *index __P ((__const char *__s, int __c));
+
+/* Find the last occurrence of C in S (same as strrchr).  */
+extern char *rindex __P ((__const char *__s, int __c));
+
+/* Copy N bytes of SRC to DEST (like memmove, but args reversed).  */
+extern void bcopy __P ((__const __ptr_t __src, __ptr_t __dest, size_t __n));
+
+/* Set N bytes of S to 0.  */
+extern void bzero __P ((__ptr_t __s, size_t __n));
+
+/* Compare N bytes of S1 and S2 (same as memcmp).  */
+extern int bcmp __P ((__const __ptr_t __s1, __const __ptr_t __s2, size_t __n));
+
+/* Return the position of the first bit set in I, or 0 if none are set.
+   The least-significant bit is position 1, the most-significant 32.  */
+extern int ffs __P ((int __i));
+
+/* Compare S1 and S2, ignoring case.  */
+extern int strcasecmp __P ((__const char *__s1, __const char *__s2));
+
+/* Return the next DELIM-delimited token from *STRINGP,
+   terminating it with a '\0', and update *STRINGP to point past it.  */
+extern char *strsep __P ((char **__stringp, __const char *__delim));
+#endif
+
+/* Copy no more than N characters of SRC to DEST, returning the address of
+   the last character written into DEST.  */
+extern char *__stpncpy __P ((char *__dest, __const char *__src, size_t __n));
+
+#ifdef	__USE_GNU
+/* Compare no more than N chars of S1 and S2, ignoring case.  */
+extern int strncasecmp __P ((__const char *__s1, __const char *__s2,
+			     size_t __n));
+
+/* Return a string describing the meaning of the signal number in SIG.  */
+extern char *strsignal __P ((int __sig));
+
+/* Copy SRC to DEST, returning the address of the terminating '\0' in DEST.  */
+extern char *stpcpy __P ((char *__dest, __const char *__src));
+
+/* Copy no more than N characters of SRC to DEST, returning the address of
+   the last character written into DEST.  */
+extern char *stpncpy __P ((char *__dest, __const char *__src, size_t __n));
+
+#ifdef __OPTIMIZE__
+#define stpncpy(dest, src, n)	__stpncpy ((dest), (src), (n))
+#endif
+
+/* Sautee STRING briskly.  */
+extern char *strfry __P ((char *__string));
+
+/* Frobnicate N bytes of S.  */
+extern __ptr_t memfrob __P ((__ptr_t __s, size_t __n));
+#endif
+
+__END_DECLS
+
+#endif /* string.h  */