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- /* logname -- print user's login name
- Copyright (C) 1990, 1991 Free Software Foundation, Inc.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
- #include <stdio.h>
- #include <sys/types.h>
- #include "system.h"
-
- void
- main (argc, argv)
- int argc;
- char **argv;
- {
- register char *cp;
-
- if (argc != 1)
- {
- fprintf (stderr, "Usage: %s\n", argv[0]);
- exit (1);
- }
-
- cp = getlogin ();
- if (cp)
- {
- puts (cp);
- exit (0);
- }
- fprintf (stderr,"%s: no login name\n", argv[0]);
- exit (1);
- }
-