localtime_r
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Header File
time.h
Category
Time and Date Routines
Prototype
struct tm *localtime_r( const time_t *timer, struct tm *buf );
Description
Converts date and time to a structure.
localtime_r accepts the address of a value returned by time and returns a pointer to the structure of type tm containing the time elements. It corrects for the time zone and possible daylight saving time.
For the tm structure please see localtime.
Return Value
localtime_r returns result if successfull, or null otherwise.
Example
#include <time.h>
#include <stdio.h>
#include <stdlib.h>
int main()
{
time_t t = time(NULL);
struct tm tmbuf;
char buf[30];
printf("UTC: %s", asctime_r(gmtime_r(&t, &tmbuf), buf));
printf("local: %s", asctime_r(localtime_r(&t, &tmbuf), buf));
}
Portability
| POSIX | Win32 | ANSI C | ANSI C++ |
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