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