Listing 1: whattime.c

/*   WHATTIME.C
 *
 *   Convert seconds to an epoch date.
 *
 *   Copyright 1994, Lawrence S Reznick
 */

#include  <stdio.h>
#include  <stdlib.h>
#include  <time.h>

int main(int argc, char **argv)
{
     time_t    t;

     if (argc < 2) {
          fputs("Usage:\t", stderr);
          fputs(argv[0], stderr);
          fputs(" seconds [seconds ...]\n\n", stderr);
          fputs("Convert seconds to a calendar time.\n", stderr);
          exit(1);
     }

     while (++argv, --argc) {
          t = strtol(*argv, NULL, 0);
          fputs(ctime(&t), stdout);
     }

     return(0);
}



