V10/man/man2/time.2

.TH TIME 2
.CT 2 time_man
.SH NAME
time, ftime \(mi get date and time
.SH SYNOPSIS
.nf
.B long time((long *)0)
.PP
.B long time(tloc)
.B long *tloc;
.PP
.B #include <sys/types.h>
.B #include <sys/timeb.h>
.B ftime(tp)
.B struct timeb *tp;
.fi
.SH DESCRIPTION
.I Time
returns the time since the epoch 00:00:00 GMT, Jan. 1, 1970, measured
in seconds.
.PP
If
.I tloc
is nonnull,
the return value is also stored in the
place to which
.I tloc
points.
.PP
.I Ftime
stores a more accurate time and other horological data in the
structure pointed to by
.IR tb :
.PP
.nf
.ta \w'\fLnnnnnnnn\fP'u +\w'\fLunsigned short millitm; \fP'u
\fLstruct timeb
{
	\fLtime_t time;\fR	time since the epoch in seconds
	\fLunsigned short millitm;\fP	up to 1000 milliseconds of more-precise interval
	\fLshort timezone;\fP	local time zone measured in minutes of time
			westward from Greenwich
	\fLshort dstflag;\fP	if nonzero, daylight saving time applies locally
			during the appropriate part of the year
\fL};\fP
.fi
.SH "SEE ALSO"
.IR date (1), 
.IR stime (2), 
.IR ctime (3)
.SH DIAGNOSTICS
.IR ftime :
.B EFAULT
.SH BUGS
If the argument to
.I time
is bogus, the user program gets a memory fault rather than an
.BR EFAULT .