manpages.info - online man pages   

FreeBSD man pages : time (3)
TIME(3) 	       FreeBSD Library Functions Manual 	       TIME(3)

NAME

time - get time of day

LIBRARY

Standard C Library (libc, -lc)

SYNOPSIS

#include <time.h> time_t time(time_t *tloc);

DESCRIPTION

The time() function returns the value of time in seconds since 0 hours, 0 minutes, 0 seconds, January 1, 1970, Coordinated Universal Time. A copy of the time value may be saved to the area indicated by the pointer tloc. If tloc is a NULL pointer, no value is stored. Upon successful completion, time() returns the value of time. Otherwise a value of ((time_t) -1) is returned and the global variable errno is set to indicate the error.

ERRORS

The following error codes may be set in errno: [EFAULT] An argument address referenced invalid memory.

SEE ALSO

gettimeofday(2), ctime(3)

HISTORY

A time() function appeared in Version 6 AT&T UNIX. FreeBSD 4.8 June 4, 1993 FreeBSD 4.8