Scope problem

This is a discussion on Scope problem within the C++ Programming forums, part of the General Programming Boards category; I created a function and declared int x=0; at the very top. then later on x is in a nested ...

  1. #1
    Registered User
    Join Date
    Dec 2006
    Posts
    51

    Scope problem

    I created a function and declared int x=0; at the very top. then later on x is in a nested for loop but for some reason the x isn't being changed as if I had another x in the local scope.

    Code:
    x=0;
    	for(count=0; count<3; count++){
    
    		for(int N=start; N==start+24; N++){
    			Accounts->Name[N]=buff[N];
    			x++;
    		}
    		x+=3;
    		cout<<x<<endl;
    
    		for(z=x; z==start+28; z++){
    			A[z]=buff[z];
    			cout<<A[z]<<endl;
    			if(z==4){
    				Accounts->Acc_Number=atoi(A);
    				cout<<'\t'<<Accounts->Acc_Number;
    			}
    		}
    		x+=3;
    
    		for(int r=z; r==start+45; r++){
    			Accounts->Acc_Balance=buff[x];
    			start=r;
    		}
    		Accounts++;
    	}

  2. #2
    Registered User
    Join Date
    Jan 2005
    Posts
    7,340
    Your loops will never run. A for loop only runs while the middle expression evaluates to true. But, for example, if you initialize N to start, it cannot be true that N == start+24.

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