Re: Question about double pointers assignment

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I think , the problem is there


temp1 = exterint


temp1 is pointer to pointer,not pointer to int but you assigned adress of exterint1 and this array of integer; not array of pointer.

For example like this give you same warning:


int * temp1;

int a;

temp1 = a; 

Warrning:“assignment from incompatible pointer type


This is correct if you do like below


int *temp1

int exterint[5];


temp1 = exterint;


Monday, December 24, 2007, 11:49:37 AM, you wrote:


>

Dear all:

I write a program like below:

 

#include<stdio.h>

#include<stdlib.h>

int    exterint[5][5];

int    exterint1[5];

int main(void){

    int index0, index1;

    int **temp1;

    int *temp2;

    temp2=exterint1; //*****

    temp1 = exterint;  //xxxxxxxxx

…..

…..}

 

The compiler will warn me that at line marked as xxxxx is “assignment from incompatible pointer type.”

But “******” doesn’t get any warning.

 

Is there any restriction about assigning multi-layer array or something about pointer I miss?

 

Appreciate your help,

cckuo


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