Message-ID:	<3787A5EB.ECDE729A@vetec.com>
Date:	Sat, 10 Jul 1999 14:58:35 -0500
From:	Andy Goth <andygoth AT vetec DOT com>
X-Mailer:	Mozilla 4.61 [en] (Win95; I)
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To:	djgpp AT delorie DOT com
Subject:	Re: it's amazing (at least for me)
References:	<378618ca DOT 3495674 AT news DOT telepac DOT pt>
Reply-To:	djgpp AT delorie DOT com

> In this little C program if i change the type of variable k (in setup
> function) to byte the program don't work. Can anyone explain me why?
> Thanks
> 
> APeres.
> 
> ------------------------------------------------------------------------------------
> typedef  unsigned char  byte;
> typedef  unsigned char  pallette[256][3];
> 
> void setup(pallette);
> 
> int main(void)
> {
>    int i;
>    pallette pall;
> 
>    setup(pall);
> 
>    for(i=0; i < 256; i++)
>       printf("%d ------- %d\n", i, pall[i][0]);
> 
>    return 1;
> 
> }
> 
> void setup(pallette pall)
> {
>    int k;
> 
>       for(k=0; k < 256; k++)
>       pall[k][0] = pall[k][1] = pall[k][2] = i;

A byte ranges from 0 to 255 (unsigned), so a byte-sized (hehehe) value
will *always* be less than 256.

> }

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