ช่วยดูโค้ดทีครับ ผิดตรงไหน

#include <stdio.h>
#include <conio.h>
void hilow(void);
main()
{
int money100;
int Player1;
int Player2;
int Player3;
printf("\t\t\t");
printf("#################################\n\n\t\t\t");
printf("Welcome to Project High-Low\n\n\n\t\t\t");
printf("#################################\n\n");
int menu;
do
{
printf("Please Enter Menu\n");
printf("High-Low\n");
printf("Exit\n");
scanf("%d",&menu);
printf("You have money %d");
switch menu
{
case 1: hilo();break;
default:printf("You have money %d Goodbye\n",money);
}
}
}
while(menu==1 || menu==2);
void hilow(void);
{
int score,mark,bet;
char play;
do
{
if(money<5)
{
printf("Your money can’t play Goodbye \n");
break;
}
do
{
printf("Please Enter Your bet \n");
scanf("%d",&bet);
}
while(bet<5 || bet>money );
money=money-bet;
do
{
printf("Plase Enter Score \n 1.Hi \n 2. Low \n");
scanf("%d",&score);
}
while(!(score>0 && score <3));
randomize();
mark=random(1)+1;
printf("Point is %d",mark);
if(mark==score)
{
printf("You Win %d \n",2*bet);
money=money+2*bet;
}
else
{
printf("Your lose\n");
}
printf("Play Again(y/n)\n");
scanf("%c",&play);
}
while(play=='y')
}