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-rw-r--r--string/bits/string2.h12
1 files changed, 11 insertions, 1 deletions
diff --git a/string/bits/string2.h b/string/bits/string2.h
index 4904a3e4c0..0c28b3e122 100644
--- a/string/bits/string2.h
+++ b/string/bits/string2.h
@@ -1,5 +1,5 @@
/* Machine-independant string function optimizations.
- Copyright (C) 1997, 1998 Free Software Foundation, Inc.
+ Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
@@ -252,6 +252,16 @@ __mempcpy_small (void *__dest1, char __src1,
#endif
+/* Return pointer to C in S. */
+#ifndef _HAVE_STRING_ARCH_strchr
+extern __ptr_t __rawmemchr (const __ptr_t __s, int __c);
+# define strchr(s, c) \
+ (__extension__ (__builtin_constant_p (c) && (c) == '\0' \
+ ? (char *) __rawmemchr (s, c) \
+ : strchr (s, c)))
+#endif
+
+
/* Copy SRC to DEST. */
#ifndef _HAVE_STRING_ARCH_strcpy
# define strcpy(dest, src) \