If ERRORLEVEL

#include <iostream>

int main() {
    int ERRORLEVEL;

    // Assume ERRORLEVEL is set or calculated somewhere in the code

    if (ERRORLEVEL == 0) {
        // Code to be executed when ERRORLEVEL is 0
    } else if (ERRORLEVEL == 1) {
        // Code to be executed when ERRORLEVEL is 1
    } else {
        // Code to be executed when ERRORLEVEL is neither 0 nor 1
    }

    return 0;
}