#include <stdio.h> #include <string.h> typedef int FuncType(int,int); int Add(int a,int b) { return a + b; } int Sub(int a,int b) { return a - b; } void Run(FuncType* pf,int a,int b)//回调函数是使用函数指针作为参数 { printf ("result = %d\n",pf(a,b)); } int main(void) { int a,b; scanf ("%d%d",&a,&b); char str[5]; scanf ("%s",str); if (0 == strncmp("add",str,3))//判断输入的字符与add是否一致
{ Run(Add,a,b); } if (0 == strncmp("sub",str,3))
{ Run(Sub,a,b); } return 0; }
原文:https://www.cnblogs.com/xiaozoui11cl/p/13228427.html