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- /* $Header: usage.c,v 1.2 85/03/27 07:24:08 nicklin Exp $ */
-
- /*
- * Author: Peter J. Nicklin
- */
-
- /*
- * usage() places a usage error message on the standard error
- * output stream stderr.
- */
- #include <stdio.h>
- #include "null.h"
-
- extern char *PGN; /* program name */
-
- usage(m)
- char *m; /* usage error message */
- {
- fprintf(stderr, "usage: ");
- if (PGN != NULL && *PGN != '\0')
- fprintf(stderr, "%s ", PGN);
- fprintf(stderr, "%s\n", m);
- }
-