From:	DJ Delorie <dj AT delorie DOT com>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: how to reset clock()
Date:	10 Feb 1998 20:39:17 -0500
Organization:	DJ Delorie/DJGPP Support
Lines:	15
Message-ID:	<xnvhumapiy.fsf@delorie.com>
References:	<34E0B017 DOT 506A AT quantum DOT de>
NNTP-Posting-Host:	delorie.com
To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp

Tom Chojnacki <chojnack AT quantum DOT de> writes:
> I want to measure time intervals in which some function executes itself.
> I used clock() function which returns time which elapsed since first
> call to clock(). But how can I reset the clock() to measure another time
> interval and not time since the first call again.

You don't have to reset it.  Just save the return value from before,
and subtract it from the new one:

	before = clock();
	do_something();
	after = clock();
	elapsed = after - before;

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