C语言传递函数指针

int add(int num1, int num2) {
    return num1 + num2;
}

int subtract(int num1, int num2) {
    return num1 - num2;
}

typedef int (*fptrOperation)(int,int);

int compute(fptrOperation operation, int num1, int num2) {
    return operation(num1, num2);
}

printf("%d\n",compute(add,5,6));
printf("%d\n",compute(subtract,5,6));