C Tutorial/time.h/time — различия между версиями
Admin (обсуждение | вклад) м (1 версия: Импорт контента...) |
|
(нет различий)
| |
Версия 14:21, 25 мая 2010
time
Item Value Header file time.h Declaration time_t time(time_t *time); Return returns the current calendar time of the system or -1 if the system has no time.
The time() function can be called either with a null pointer or with a pointer to a variable of type time_t.
If the latter is used, the variable will also be assigned the calendar time.
#include <time.h>
#include <stdio.h>
int main(void)
{
struct tm *ptr;
time_t lt;
lt = time(NULL);
ptr = localtime(<);
printf(asctime(ptr));
return 0;
}