1: /* $Header: usage.c,v 1.2 85/03/27 07:24:08 nicklin Exp $ */
   2: 
   3: /*
   4:  * Author: Peter J. Nicklin
   5:  */
   6: 
   7: /*
   8:  * usage() places a usage error message on the standard error
   9:  * output stream stderr.
  10:  */
  11: #include <stdio.h>
  12: #include "null.h"
  13: 
  14: extern char *PGN;           /* program name */
  15: 
  16: usage(m)
  17:     char *m;            /* usage error message */
  18: {
  19:     fprintf(stderr, "usage: ");
  20:     if (PGN != NULL && *PGN != '\0')
  21:         fprintf(stderr, "%s ", PGN);
  22:     fprintf(stderr, "%s\n", m);
  23: }

Defined functions

usage defined in line 16; used 1 times
Last modified: 1985-07-03
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