c_cpp c中的基本函数指针示例

Posted 2021-05-14

#include <stdio.h>
#include <stdlib.h>


//c function pointer example

int addInt(int n, int m);

int addInt(int n, int m) {
    return n+m;
}


int main() {
    int (*functionPtr)(int,int);
    functionPtr = &addInt;
    int sum = (*functionPtr)(2, 3);
    printf("The sum is %d", sum);
    //The sum is 5
    return 0;
}