#include <time.h> [[deprecated]] int stime(const time_t *t); Feature Test Macro Requirements for glibc (see feature_test_macros(7)): stime(): Since glibc 2.19: _DEFAULT_SOURCE glibc 2.19 and earlier: _SVID_SOURCE
DESCRIPTION
NOTE: This function is deprecated; use
clock_settime(2) instead.
stime() sets the system's idea of the time and date. The
time, pointed to by t, is measured in seconds since the Epoch,
1970-01-01 00:00:00 +0000 (UTC). stime() may be executed only by the
superuser.
RETURN VALUE
On success, zero is returned. On error, -1 is returned, and
errno is set to indicate the error.