linuxc獲取系統(tǒng)關(guān)機(jī)時(shí)間的代碼
時(shí)間：
恒輝636由 分享
源碼如下：
#include
#include
#include
#include
int main()
{
struct utmp *u ;
FILE *fp = fopen("shutdown_note","w+");
utmpname("/var/log/wtmp");
while((u = getutent()))
{
if(strncmp(u->ut_user,"shutdown",8) == 0)
fprintf(fp," %s time: %s", u->ut_user, ctime((time_t *)(&u->ut_tv.tv_sec)));
}
endutent();
return 0;