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From: kunst AT natlab DOT research DOT philips DOT com (Pieter Kunst)
Subject: Re: clock() unit ?
Sender: news AT natlab DOT research DOT philips DOT com (USENET News System)
Organization: Philips Research Laboratories, Eindhoven, The Netherlands
References: <45iniu$6c5 AT news DOT cea DOT fr> <19951012170909 DOT olly AT mantis DOT co DOT uk>
Date: Fri, 13 Oct 1995 12:46:09 GMT
Lines: 16
To: djgpp AT sun DOT soe DOT clarkson DOT edu
Dj-Gateway: from newsgroup comp.os.msdos.djgpp

In article <19951012170909 DOT olly AT mantis DOT co DOT uk> olly AT mantis DOT co DOT uk (Olly Betts) writes:
>
>In DJGPP v1.12m4, time.h says: #define CLOCKS_PER_SEC 1000000
>and limits.h says: #define CLK_TCK 100
>
>I *think* that CLOCKS_PER_SEC is an old alternative name for CLK_TCK, so they
>should be the same if both are defined.  I may be wrong though.

No, CLOCKS_PER_SEC is an ANSI C constant, from <time.h> (See K&R, 2nd, p.255).
clock()/CLOCKS_PER_SEC returns the processor time used by the program,
in seconds, since the beginning of execution.

CLK_TCK is PC only. You'd better avoid using it.

Pieter Kunst (kunst AT natlab DOT research DOT philips DOT com)