получить дату и время (get the date and time)
Пролог (Prolog)
This manual page is part of the POSIX Programmer's Manual. The
Linux implementation of this interface may differ (consult the
corresponding Linux manual page for details of Linux behavior),
or the interface may not be implemented on Linux.
Имя (Name)
gettimeofday — get the date and time
Синопсис (Synopsis)
#include <sys/time.h>
int gettimeofday(struct timeval *restrict tp, void *restrict tzp);
Описание (Description)
The gettimeofday() function shall obtain the current time,
expressed as seconds and microseconds since the Epoch, and store
it in the timeval structure pointed to by tp. The resolution of
the system clock is unspecified.
If tzp is not a null pointer, the behavior is unspecified.
Возвращаемое значение (Return value)
The gettimeofday() function shall return 0 and no value shall be
reserved to indicate an error.
Ошибки (Error)
No errors are defined.
The following sections are informative.
Примеры (Examples)
None.
Использование в приложениях (Application usage)
Applications should use the clock_gettime() function instead of
the obsolescent gettimeofday() function.
Обоснование (Rationale)
None.
Будущие направления (Future directions)
The gettimeofday() function may be removed in a future version.
Смотри также (See also)
clock_getres(3p), ctime(3p)
The Base Definitions volume of POSIX.1‐2017, sys_time.h(0p)
