Check out example codes for "c++ convert const char* to int". It will help you in understanding the concepts better.

Code Example 1

#include <iostream>
#include <sstream>

const char* value = "1234567";
stringstream strValue;
strValue << value;

unsigned int intValue;
strValue >> intValue;

cout << value << endl;
cout << intValue << endl;

Learn ReactJs, React Native from akashmittal.com