time/ap.c

   1 /* Copyright (C) 1991, 1996, 1997 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Library General Public License as
   6    published by the Free Software Foundation; either version 2 of the
   7    License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Library General Public License for more details.
  13
  14    You should have received a copy of the GNU Library General Public
  15    License along with the GNU C Library; see the file COPYING.LIB.  If not,
  16    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17    Boston, MA 02111-1307, USA.  */
  18
  19 #include <stdio.h>
  20 #include <stdlib.h>
  21 #include <time.h>
  22 #include <malloc.h>
  23 #include <mcheck.h>
  24
  25 /* Prints the time in the form "hh:mm ?M", where ? is A or P.
  26    A simple test for strftime().  */
  27 int
  28 main (int argc, char *argv[])
  29 {
  30   char buf[20];
  31   time_t t;
  32
  33   mcheck (NULL);
  34
  35   if (argc != 1)
  36     fprintf (stderr, "Usage: %s\n", argv[0]);
  37
  38   t = time ((time_t *) NULL);
  39   if (strftime (buf, sizeof (buf), "%I:%M %p", localtime (&t)) == 0)
  40     exit (EXIT_FAILURE);
  41
  42   puts (buf);
  43
  44   return EXIT_SUCCESS;
  45 }