Some algorithms adapted from GNU Emacs. */
#ifdef HAVE_CONFIG_H
-#if defined (CONFIG_BROKETS)
-/* We use <config.h> instead of "config.h" so that a compilation
- using -I. -I$srcdir will use ./config.h rather than $srcdir/config.h
- (which it would do because it found this file in $srcdir). */
#include <config.h>
-#else
-#include "config.h"
-#endif
#endif
#include <stdio.h>
#include <ctype.h>
#include <sys/types.h>
#include "backupfile.h"
-#if defined(STDC_HEADERS) || defined(HAVE_STRING_H)
+#ifdef HAVE_STRING_H
#include <string.h>
-#ifndef index
-#define index strchr
-#endif
-#ifndef rindex
-#define rindex strrchr
-#endif
#else
#include <strings.h>
#endif
char *malloc ();
#endif
-#if !defined (isascii) || defined (STDC_HEADERS)
-#undef isascii
-#define isascii(c) 1
+#if defined (STDC_HEADERS) || (!defined (isascii) && !defined (HAVE_ISASCII))
+#define ISASCII(c) 1
+#else
+#define ISASCII(c) isascii(c)
#endif
-#define ISDIGIT(c) (isascii ((unsigned char ) c) \
+#define ISDIGIT(c) (ISASCII ((unsigned char) (c)) \
&& isdigit ((unsigned char) (c)))
#if defined (HAVE_UNISTD_H)