C / C++ / MFC

uday kiran janaswamy wrote:

CRectTracker

Somethings seem HARD to do, until we know how to do them.
_AnShUmAn_

Coremn wrote:

Example: If I wanted to test for a '?' key press on a US layout keyboard, I get a 'Shift' keypress and a '/' keypress. Most other international layouts do not have the '/' and '?' on the same key so this does not work.

#include "stdafx.h"

#include "iostream"
#include "stdlib.h"
#include "stdio.h"
using namespace std;

int my_arrLen( char *strA ){
    int loopCtr=0;
    while (*strA != '\0'){
      cout << *strA;
      *strA++;
      loopCtr++;
      cout << loopCtr;
      }
    return loopCtr;
}
char *theStr=new char[100];

int main()
{
    gets(theStr);
    puts("You entered a string with length: ");
    cout << my_arrLen(theStr);
}

Somethings seem HARD to do, until we know how to do them.
_AnShUmAn_

freakinn00b wrote:

char *theStr;

"Opinions are neither right nor wrong. I cannot change your opinion. I can, however, change what influences your opinion." - David Crow

freakinn00b wrote:

o initialize the array?

Somethings seem HARD to do, until we know how to do them.
_AnShUmAn_

freakinn00b wrote:

Why do I need to initialize the array?

"Opinions are neither right nor wrong. I cannot change your opinion. I can, however, change what influences your opinion." - David Crow

freakinn00b wrote:

Why do I need to initialize the array?

freakinn00b wrote:

What if I do not know the size of the array beforehand?

#include <iostream>
using namespace std;

int main()
{
	// declare string storage
	string theStr = "";

	// get string input of unknown length
	char ch = '\0';
	while (ch != '\n')
	{
		ch = cin.get();
		theStr += ch;
	}

	// print length information
	cout << "You entered a string with length:  "
	     << theStr.length() << endl;
	return 0;
}

#include <iostream.h>
#include <stdlib.h>
#include <stdio.h>

int main(void)
{

    char *pA;
    pA = new char   ;
    int counter = 0;
    gets(pA);
    while(*pA != '\0')
    {
        *pA++;
        counter++;
    }
    cout << "\n\n" << counter << " charcters.";
    pA=0;               // Clear the pointer
    delete pA;          // de-allocate the pointer.
    return 0;
}