#include <stdio.h>
int max(int a,int b);
int main ()
{
    int x,y;
    int (*p)(),s;
    p=max;
    scanf("%d%d",&x,&y);
    s=(*p)(x,y);
    printf("%d",s);
    return 0;
}

int max(int a,int b)
{
    int z;
    if(a>b)  z=a;
    else z=b;
    return z;
}
--------------------配置: mingw5 - CUI Debug, 编译器类型: MinGW--------------------

正在编译 D:\我的资料库\Documents\C-Free\Temp\未命名4.cpp...
[Error] D:\我的资料库\Documents\C-Free\Temp\未命名4.cpp:7: error: invalid conversion from `int (*)(int, int)' to `int (*)()'
[Error] D:\我的资料库\Documents\C-Free\Temp\未命名4.cpp:9: error: too many arguments to function

编译中止 D:\我的资料库\Documents\C-Free\Temp\未命名4.cpp: 2 个错误, 0 个警告