# endif
#endif
-#if PROTOTYPES
-# define PARAMS(p) p
-#else
-# define PARAMS(p) ()
+#ifndef PARAMS
+# if defined PROTOTYPES || defined __STDC__
+# define PARAMS(Args) Args
+# else
+# define PARAMS(Args) ()
+# endif
#endif
# include "xalloc.h"
#endif
#if !HAVE_DECL_MEMCHR
-void *memchr(const void *s, int c, size_t n);
+void *memchr PARAMS ((const void *s, int c, size_t n));
+#endif
+
+#if !HAVE_DECL_MEMRCHR
+void *memrchr PARAMS ((const void *s, int c, size_t n));
#endif
#ifndef __attribute__
/* This feature is available in gcc versions 2.5 and later. */
-# if __GNUC__ < 2 || (__GNUC__ == 2 && __GNUC_MINOR__ < 5) || __STRICT_ANSI__
+# if !defined (__GNUC__) || __GNUC__ < 2 || \
+(__GNUC__ == 2 && __GNUC_MINOR__ < 5) || __STRICT_ANSI__
# define __attribute__(Spec) /* empty */
# endif
/* The __-protected variants of `format' and `printf' attributes