#include <stddef.h>
#include <stdio.h>
-#if HAVE_STRING_H
-# include <string.h>
-#else
-# include <strings.h>
-#endif
+#include <string.h>
#if HAVE_DIRENT_H
# include <dirent.h>
# define CLOSEDIR(d) closedir (d)
#endif
-#if HAVE_STDLIB_H
-# include <stdlib.h>
-#endif
-
-#ifndef HAVE_DECL_GETENV
-"this configure-time declaration test was not run"
-#endif
-#if !HAVE_DECL_GETENV
-char *getenv ();
-#endif
-
-#ifndef HAVE_DECL_MALLOC
-"this configure-time declaration test was not run"
-#endif
-#if !HAVE_DECL_MALLOC
-char *malloc ();
-#endif
+#include <stdlib.h>
#if HAVE_DIRENT_H || HAVE_NDIR_H || HAVE_SYS_DIR_H || HAVE_SYS_NDIR_H
# define HAVE_DIR 1
to numbered) backup file name. */
const char *simple_backup_suffix = "~";
-static int max_backup_version PARAMS ((const char *, const char *));
-static int version_number PARAMS ((const char *, const char *, size_t));
+static int max_backup_version (const char *, const char *);
+static int version_number (const char *, const char *, size_t);
/* Return the name of the new backup file for file FILE,
allocated with malloc. Return 0 if out of memory.