C语言实例40：函数指针

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

void check(char *a, char *b, int (*cmp)(const char *, const char *));

int main(int argc, char *argv[])
{
    char s1[80],s2[80];
    int (*p)(const char *, const char *);

    p = strcmp;

    printf("输入两个字符串： \n");
    gets(s1);
    gets(s2);

    check(s1, s2, p);

    system("pause");
    return 0;
}

void check(char *a, char *b, int (*cmp)(const char *, const char *))
{
    printf("测试是否相等\n");
    if(!(*cmp)(a, b))
        printf("结果：相等\n");
    else
        printf("结果：不相等\n");
}