1 /* Time Functions Example
2 Copyright (C) 1991-2022 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
main(void)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*/
49