Re: C Pointer problem

Markus said:

Hi,

I can't understand why this code causes a "memory read exception" at
int x=**a;

void pass(int** a)
{
int x=**a;
}
void main()

main returns int.

If you can't even get the entry point right, what chance do you stand with
pointers?

{
int arr[2][2]={{1,2},{3,4}};
pass(arr);

pass() takes int **.

arr's value is taken as the address of its first element. Its first element
is an int[2] array, so the address of its first element has type int
(*)[2], which is not the same as int **.


--
Richard Heathfield
"Usenet is a strange place" - dmr 29/7/1999
http://www.cpax.org.uk
email: rjh at above domain (but drop the www, obviously)
.

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