gmtime()

convert time value to broken-down UTC time 

Function

SYNOPSIS

#include <time.h>

struct tm *gmtime(const time_t *clock);

DESCRIPTION

The gmtime() function converts a time in seconds since the Epoch (00:00:00 UTC, January 1, 1970) into a broken-down time, expressed as Coordinated Universal Time (UTC).

This function is not reentrant; see gmtime_r() for a reentrant version.

PARAMETERS

clock 

Is the time to be converted.

RETURN VALUES

On success, the gmtime() function returns a pointer to a static structure containing the broken-down time. This static buffer is shared with localtime(); subsequent calls to localtime() or gmtime() overwrite this buffer. On error, it returns NULL.

CONFORMANCE

ANSI/ISO 9899-1990.

MULTITHREAD SAFETY LEVEL

Unsafe.

PORTING ISSUES

None.

AVAILABILITY

PTC MKS Toolkit for Professional Developers
PTC MKS Toolkit for Professional Developers 64-Bit Edition
PTC MKS Toolkit for Enterprise Developers
PTC MKS Toolkit for Enterprise Developers 64-Bit Edition

SEE ALSO

Functions:
asctime(), asctime_r(), clock(), ctime(), ctime_r(), difftime(), gmtime_r(), localtime(), localtime_r(), mktime(), strftime(), time(), tzset()

PTC MKS Toolkit 10.5 Documentation Build 40.