From: aho450s AT nic DOT smsu DOT edu (Tony O'Bryan)
Newsgroups: comp.os.msdos.djgpp
Subject: Re: Random numbers
Date: Fri, 30 May 1997 16:15:50 GMT
Organization: Southwest Missouri State University
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On 30 May 1997 11:09:48 GMT, "Matthew Bennett" <Bennett AT btinternet DOT com> wrote:

>printf("%d\n", random() & 10);
>
>The numbers produced are always either 0, 2, 8 or 10. If I use say 2 as my

This is because you are masking off all bits other than bits 1 and 3.  This
leaves you with only {0,2,8,10} as the possible results.  I think you meant to
use the modulus operator like so:

value = random() % 10;

This will get you a random number from 0 to 9.