stime(2)

NAME

stime − set system time and date

#include <unistd.h>

int stime(const time_t ∗tp);

stime() sets the system’s idea of the time and date. tp points to the value of time as measured in seconds from 00:00:00 UTC January 1, 1970.

Upon successful completion, a value of 0 is returned. Otherwise, a value of −1 is returned and errno is set to indicate the error.

stime() will fail if:

EPERM The effective user of the calling process is not super-user.