1  /* Time Functions Example
       2     Copyright (C) 1991-2023 Free Software Foundation, Inc.
       3  
       4     This program is free software; you can redistribute it and/or
       5     modify it under the terms of the GNU General Public License
       6     as published by the Free Software Foundation; either version 2
       7     of the License, or (at your option) any later version.
       8  
       9     This program 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
      12     GNU General Public License for more details.
      13  
      14     You should have received a copy of the GNU General Public License
      15     along with this program; if not, see <https://www.gnu.org/licenses/>.
      16  */
      17  
      18  #include <time.h>
      19  #include <stdio.h>
      20  
      21  #define SIZE 256
      22  
      23  int
      24  main (void)
      25  {
      26    char buffer[SIZE];
      27    time_t curtime;
      28    struct tm *loctime;
      29  
      30    /* Get the current time. */
      31    curtime = time (NULL);
      32  
      33    /* Convert it to local time representation. */
      34    loctime = localtime (&curtime);
      35  
      36    /* Print out the date and time in the standard format. */
      37    fputs (asctime (loctime), stdout);
      38  
      39  /*@group*/
      40    /* Print it out in a nice format. */
      41    strftime (buffer, SIZE, "Today is %A, %B %d.\n", loctime);
      42    fputs (buffer, stdout);
      43    strftime (buffer, SIZE, "The time is %I:%M %p.\n", loctime);
      44    fputs (buffer, stdout);
      45  
      46    return 0;
      47  }
      48  /*@end group*/