Boston Linux & Unix (BLU) Home | Calendar | Mail Lists | List Archives | Desktop SIG | Hardware Hacking SIG
Wiki | Flickr | PicasaWeb | Video | Maps & Directions | Installfests | Keysignings
Linux Cafe | Meeting Notes | Blog | Linux Links | Bling | About BLU

BLU Discuss list archive


[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Quick C question



Thanks - That worked like a champ :).

Anthony

On Wed, 16 Nov 2005, Seth Gordon wrote:

> Ooh!  Ooh!  Ooh!  Mr. Kotter!
> 
> > #include <stdio.h>
> > 
> > #define	D1	4
> > #define	D2	2
> > 
> > int main(){
> > 
> > 	int *array;
> 
> Here you're defining "array" as a pointer to an int.
> 
> > 
> > 	array = malloc(sizeof(int) * (D1 * D2));
> > 
> > 	array[1][1] = 32;
> 
> Here you're using "array" as a pointer *to a pointer* to an int.
> 
> > 
> > 	printf("Elem[1][1] = %d\n",array[1][1]);
> > 	
> > 	free(array);
> > 
> > 	return 0;
> > }
> 
> Try changing "int *array" to "int **array".
> _______________________________________________
> Discuss mailing list
> Discuss at blu.org
> http://olduvai.blu.org/mailman/listinfo/discuss
> 




BLU is a member of BostonUserGroups
BLU is a member of BostonUserGroups
We also thank MIT for the use of their facilities.

Valid HTML 4.01! Valid CSS!



Boston Linux & Unix / webmaster@blu.org