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researchv10 Dan Cross

.ds ZZ DEVELOPMENT PACKAGE
.TH REALTIME 3R "630 MTG"
.XE "realtime()"
.SH NAME
realtime \- terminal clock
.SH SYNOPSIS
\f3
unsigned long realtime ( ) 
\fR
.SH DESCRIPTION
The
.I realtime
function
returns the number of 60Hz clock ticks since
the terminal was booted.
.SH EXAMPLE
The following code could be used to roughly measure the performance
of \f2bitblt\f1.
.PP
.RS 3
.nf
.ft CM
#include <dmd.h>
unsigned long realtime();

unsigned long
perf_bitblt( sb, r, db, p, f)
Bitmap *sb, *db;
Rectangle r;
Point p;
Code f;
{
	unsigned long begin;

	begin = realtime ();
	bitblt (sb, r, db, p, f);
	return (realtime () - begin);
}
\fR
.fi
.RE
.ft R

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