void wait()
{ printf("please press any key to continue\n");
getch();
}
/* int menu()
{ char key;
Link *head;
while(1){
clrscr();
printf("\n\n 1.creat\n");
printf(" 2.insert\n");
printf(" 3.delete\n");
printf(" 4.display\n");
printf(" 5.clear\n");
printf(" 6.exit\n");
printf("\n\n your choise:");
key=getchar()-'0';
switch(key)
{ case 1:clrscr();head=creat();wait();break;
case 2:clrscr();head=insert(head);wait();break;
case 3:clrscr();head=delete(head);wait();break;
case 4:clrscr();display(head);wait();break;
case 5:clrscr();head=clear(head);wait();break;
case 6:clrscr();exit(0);
};
}
} */