Pointers to Functions

#include <stdio.h>int dayu(int *,int *);int dengyu(int *,int *);int xiaoyu(int *,int *); main() { printf("%d/n",panduan(1,2,(int (*)(void *,void *))dayu)); printf("%d/n",panduan(1,2,(int (*)(void *,void *))xiaoyu)); printf("%d/n",panduan(1,2,(int (*)(void *,void *))dengyu)); } int panduan(int a,int b,int (*comp)(void *,void *)) {return (*comp)(a,b); } int dayu(int *a,int *b) {if(a>b)return 1;return 0; } int dengyu(int a,int b) {if(a==b)return 1;return 0; } int xiaoyu(int a,int b) {if(a<b)return 1;return 0; }