#include <stdio.h>
#include <stdbool.h>

int main() {
    printf("Are you sure? [y/N] ");
    char input;
    fgets(&input, 2, stdin);
    printf("Your input was %c\n", input);
    bool response;
    switch(input) {
        case 'y':
        case 'Y':
            response = true;
            break;
        case 'n':
        case 'N':
            response = false;
            break;
        default:
            response = false;
            break;
    }

    printf("Your response was interpreted as %d\n", response);

    if (response) {
        return 0;
    } else {
        return 1;
    }
}