#include #include #include int main() { int ret; size_t nbytes = 0; char *input_str = NULL; char *password = "23door42\n"; puts("Please enter Password: "); ret = getline(&input_str, &nbytes, stdin); if (ret == -1) { puts("Error"); } else if (strcmp(input_str, password) == 0) { puts("Success"); ret = 0; } else { puts("How about no?!"); ret = -1; } free(input_str); return ret; }