Re: problem in adding array elements

From:
"Alf P. Steinbach" <alfps@start.no>
Newsgroups:
comp.lang.c++
Date:
Sun, 23 Mar 2008 08:18:47 +0100
Message-ID:
<13uc1663o3rkq9c@corp.supernews.com>
* JyotiR:

Hi.
  Pls help me i have the following code which is having error.This
program is being written by Visual studio 2005
Pls help me ASAP.


OK.

#include "stdafx.h"


Non-standard header, just remove it.

Practical stuff: also remember to turn off "precompiled headers" in your Visual
Studio project settings.

void fun(int);


No need to forward-declare the function.

Just define it here.

It's the same with program text as with e.g. a technical book: always strive to
/define/ your terms (e.g. functions) before you use them.

int arr[10] = {1,2,3,4,5,6,7,8,9,10};


Global variables are ungood.

Make this local in main.

int _tmain(int argc, _TCHAR* argv[])


Non-standard.

Here's the relevant valid standard main:

   int main()

{

    fun(arr[0]);
    return 0;
}
void fun(int *var)


This function head doesn't match the earlier forward declaration.

{
    int a = *(arr[0]+2);

arr[0] produces an integer, value of 1. Adding 2 yields 3. Then attempting to
apply * to that number is in error.

     int b = *(arr[0]+3);
    int c;
    c = a+b;
    printf("\n %u",c);
}
Now the error is :
illegal indirection


See above.

Cheers, & hth.,

- Alf

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