Also i forget to say that in 2D the rows and columns don't require to have the same length thanks
Eng A.Mahmoud [email protected] [email protected] OR send your asks to [email protected] http://sites.google.com/site/eng7amadaprogramming/ http://tech.groups.yahoo.com/group/eng_7amada_for_programming_works/ --- On Mon, 5/11/09, Ahmed Mahmoud <[email protected]> wrote: From: Ahmed Mahmoud <[email protected]> Subject: Re: [c-prog] Difference b/w pointer to pointer and 2D arrays To: [email protected] Date: Monday, May 11, 2009, 7:26 AM Hi,The difference between pointer to pointer and 2D Array is that: First 2D Array:The 2d Array is used -often-for tables for ex:int A[3][2] this means that this has 3 rows and 2 coloum you can imagine that second pointer to pointer:we know that the pointer is used to hold the address the pointer to pointer is used to hold the address of another pointer ex:int**x; Thanks Eng A.Mahmoud [email protected] [email protected] OR send your asks to [email protected] http://sites.google.com/site/eng7amadaprogramming/ http://tech.groups.yahoo.com/group/eng_7amada_for_programming_works/ --- On Mon, 5/11/09, Thomas Hruska <[email protected]> wrote: From: Thomas Hruska <[email protected]> Subject: Re: [c-prog] Difference b/w pointer to pointer and 2D arrays To: [email protected] Date: Monday, May 11, 2009, 6:23 AM amir.khalid@ ymail.com wrote: > Any one please tell me what is the diff b/w pointer to pointer and 2D array. A "2D array", from your perspective, is perhaps best viewed as a subset of a "pointer to pointer". In a 2D array, all the rows/cols have the same length: ***** ***** ***** ***** ***** With a "pointer to pointer", you can do: ******* ** **** ****** * -- Thomas Hruska CubicleSoft President Ph: 517-803-4197 *NEW* MyTaskFocus 1.1 Get on task. Stay on task. http://www.CubicleS oft.com/MyTaskFo cus/ [Non-text portions of this message have been removed]
