CTIME(3) CTIME(3)
NAME
ctime, localtime, gmtime, asctime, timezone - convert date
and time to ASCII
SYNOPSIS
char *ctime(clock)
long *clock;
#include <time.h>
struct tm *localtime(clock)
long *clock;
struct tm *gmtime(clock)
long *clock;
char *asctime(tm)
struct tm *tm;
char *timezone(zone, dst)
DESCRIPTION
Ctime converts a time pointed to by clock such as returned
by time(2) into ASCII and returns a pointer to a 26-
character string in the following form. All the fields have
constant width.
Sun Sep 16 01:03:52 1973\n\0
Localtime and gmtime return pointers to structures contain-
ing the broken-down time. Localtime corrects for the time
zone and possible daylight savings time; gmtime converts
directly to GMT, which is the time UNIX uses. Asctime con-
verts a broken-down time to ASCII and returns a pointer to a
26-character string.
The structure declaration from the include file is: