Set time
#include <time.h>
int stime(const time_t *t);
Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
stime(): _SVID_SOURCE
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.
On success, zero is returned. On error, -1 is returned, and errno is set appropriately.
EFAULT
Error in getting information from user space.
EPERM
The calling process has insufficient privilege. Under Linux, the CAP_SYS_TIME privilege is required.
SVr4.
This page is part of release 3.74 of the Linux man-pages project. A description of the project, information about reporting bugs, and the latest version of this page, can be found at http://www.kernel.org/doc/man-pages/.