1#include <time.h>
2#include <wchar.h>
3
4int
5main (int argc, char *argv[])
6{
7 wchar_t buf[200];
8 time_t t;
9 struct tm *tp;
10 int result = 0;
11 size_t n;
12
13 t = time (NULL);
14 tp = gmtime (timer: &t);
15
16 n = wcsftime (buf, sizeof (buf) / sizeof (buf[0]),
17 L"%H:%M:%S %Y-%m-%d\n", tp);
18 if (n != 21)
19 result = 1;
20
21 wprintf (format: L"It is now %ls", buf);
22
23 wcsftime (buf, sizeof (buf) / sizeof (buf[0]), L"%A\n", tp);
24
25 wprintf (format: L"The weekday is %ls", buf);
26
27 return result;
28}
29

source code of glibc/time/tst_wcsftime.c