#include <iostream>
#include <string.h>
 
int getNumberFromString(const char* numberString)
{
    int number = 0;
    int i;
    int stringLength = strlen(numberString);
 
    for (i = 0; i < stringLength; ++i)
    {
        number *= 10;
        number += numberString[i] - '0';
    }
 
    return number;
}
 
int main()
{
    const char* numberSeventyNineString = "79"; // Equivalent to { '7', '9', '\0' }
    int numberSeventyNine;
 
    numberSeventyNine = getNumberFromString(numberSeventyNineString);
 
    std::cout << "Number (" << numberSeventyNineString << ") as int is: " << numberSeventyNine << std::endl;
 
    return 0;
}

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