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C++ Reference: atol()
atol()
Declaration
long atol(const char*);
Description
Takes in a number as a null-terminated char string and returns the value as a long.
Example
#include <iostream>
#include <cstdlib>
int main() {
using namespace std;
char caNullTermString[] = "2";
long lA = atol(caNullTermString);
long lB = atol("4");
cout << (lA + lB) << endl;
return 0;
}
Output:
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