MENU DEROULANT ANSI C

#include<stdio.h>
#include<conio.h>
#include<stdlib.h>
void menu();
int x=0;//Variable Globale
void main()
{
 textcolor(15);
 clrscr();
 menu();
}
void menu()
 {
 int i,y;
 char mn[5][20]={"menu1","menu2","menu3","menu4","Quitter"};
 for (i=0; i<5;i++)
 {
  if (i==x)
   textbackground(1);
  gotoxy(35,7+i);
  cprintf("%s\n",mn[i]);
  textbackground(0);
 }
 do
 {
  y=getch();
  if (y==0)
   y=getch();
  switch (y)
  {
   case 80:if (x<4)
	x+=1;
	else
	x=0;
	menu();break; // bas
  case 72:if (x==0)
	x=4;
	else
	x-=1;
	menu();break; // Haut
  case 13:
	switch (x+1)
	 {
	  case 1:printf("Appele de la %d procedure ",x+1);break;
	  case 2:printf("Appele de la %d procedure ",x+1);break;
	  case 3:printf("Appele de la %d procedure ",x+1);break;
	  case 4:printf("Appele de la %d procedure ",x+1);break;
	  case 5:printf("Appele de la %d procedure ",x+1);exit(0);break;
	 }
  }
 }
 while (!0);//Fin Do
}//Réalisé par hicham hamdan