check.c

int doCheck(int check) {
    switch (check) {
    case TYPE_1:
        return afterCheck();

    case TYPE_2:
        return afterCheck();

    default:
        return 0;
    }
}

int program(condition) {
    int ret = 0;
    
    switch (condition) {
        int check;        

    case 1:
        check = blahblahblah(blah, blah);
        ret = doCheck(check);
        break;

    case 2:
        check = daladaladala(dala, dala);
        ret = doCheck(check);
        break;
    }

    return ret;
}