密码验证程序

#include<string.h>
#include<stdio.h>
#define PASSWORD_SIZE 100
#define PASSWORD "myGOODpassword\n"
int main()
{
    int count=0;
    char buff[PASSWORD_SIZE];
    for(;;)
    {
        printf("please input you passsword:");
        fgets(&buff[0],PASSWORD_SIZE,stdin);
        if(strcmp(&buff[0],PASSWORD))
            printf("password not right\ntry again:");
        else break;
        if(++count>3)
            return -1;
    }
    printf("hello,carlos");
    return 0;
}