void FLbackup (const char Fname)
Rename an existing file
This subroutine backs up a file. If a file with the given name exists, say
xxx, that file is renamed to xxx~. Any previous file with the name xxx~ is
Only regular files are backed up. If a backup file is created, a warning
message indicating the new name is issued. One use of this routine is to
a copy of an existing file before opening a new file.
This routine will terminate execution if the file cannot be backed up.
-> const char Fname
Author / revision
/ Revision 1.33 2003/05/09
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