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-rw-r--r--misc/mntent.h10
-rw-r--r--misc/sys/cdefs.h12
2 files changed, 15 insertions, 7 deletions
diff --git a/misc/mntent.h b/misc/mntent.h
index f7101c19dd..6acd532ba8 100644
--- a/misc/mntent.h
+++ b/misc/mntent.h
@@ -73,14 +73,16 @@ extern struct mntent *getmntent __P ((FILE *__stream));
 
 #ifdef __USE_MISC
 /* Reentrant version of the above function.  */
-extern struct mntent *getmntent_r __P ((FILE *__stream,
-					struct mntent *__result,
-					char *__buffer, int __bufsize));
+extern struct mntent *getmntent_r __P ((FILE *__restrict __stream,
+					struct mntent *__restrict __result,
+					char *__restrict __buffer,
+					int __bufsize));
 #endif
 
 /* Write the mount table entry described by MNT to STREAM.
    Return zero on success, nonzero on failure.  */
-extern int addmntent __P ((FILE *__stream, __const struct mntent *__mnt));
+extern int addmntent __P ((FILE *__restrict __stream,
+			   __const struct mntent *__restrict __mnt));
 
 /* Close a stream opened with `setmntent'.  */
 extern int endmntent __P ((FILE *__stream));
diff --git a/misc/sys/cdefs.h b/misc/sys/cdefs.h
index 539cbbc09f..24d5f315b7 100644
--- a/misc/sys/cdefs.h
+++ b/misc/sys/cdefs.h
@@ -19,7 +19,10 @@
 #ifndef	_SYS_CDEFS_H
 #define	_SYS_CDEFS_H	1
 
+/* We are almost always included from features.h. */
+#ifndef _FEATURES_H
 #include <features.h>
+#endif
 
 /* Some user header file might have defined this before.  */
 #undef	__P
@@ -152,8 +155,11 @@
 
 #endif
 
-/* No current version of gcc knows the `restrict' keyword.  Define it
-   for now unconditionally to the empty string.  */
-#define __restrict
+/* __restrict is known in EGCS 1.2 and above. */
+#if !defined __GNUC__ || __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 92)
+
+# define __restrict	/* Ignore */
+
+#endif
 
 #endif	 /* sys/cdefs.h */