STIME(2) Linux Programmers Manual STIME(2)
stime - set time
int stime(time_t *t);
Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
stime() sets the systems idea of the time and date. Time, pointed to
by t, is measured in seconds from 00:00:00 GMT January 1, 1970.
stime() may only be executed by the superuser.
On success, zero is returned. On error, -1 is returned, and errno is
EFAULT Error in getting information from user space.
EPERM The calling process has insufficient privilege. Under Linux the
CAP_SYS_TIME privilege is required.
date(1), settimeofday(2), capabilities(7)
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Linux 2007-07-26 STIME(2)