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backupfile.h revision 1.2 
      1 /* backupfile.h -- declarations for making Emacs style backup file names
      2    Copyright (C) 1990 Free Software Foundation, Inc.
      3 
      4    This program is free software; you can redistribute it and/or modify
      5    it without restriction.
      6 
      7    This program is distributed in the hope that it will be useful,
      8    but WITHOUT ANY WARRANTY; without even the implied warranty of
      9    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
     10 
     11 	$Id: backupfile.h,v 1.2 1993/08/02 17:55:14 mycroft Exp $
     12 */
     13 
     14 /* When to make backup files. */
     15 enum backup_type
     16 {
     17   /* Never make backups. */
     18   none,
     19 
     20   /* Make simple backups of every file. */
     21   simple,
     22 
     23   /* Make numbered backups of files that already have numbered backups,
     24      and simple backups of the others. */
     25   numbered_existing,
     26 
     27   /* Make numbered backups of every file. */
     28   numbered
     29 };
     30 
     31 extern enum backup_type backup_type;
     32 extern char *simple_backup_suffix;
     33 
     34 #ifdef __STDC__
     35 char *find_backup_file_name (char *file);
     36 enum backup_type get_version (char *version);
     37 #else
     38 char *find_backup_file_name ();
     39 enum backup_type get_version ();
     40 #endif
     41