#include<conio.h>#include<stdio.h>#include<string.h>static int i=0;struct web{char name[30],pass[30];}w[99];int n;void login(void);void reg(void);int main(){clrscr();printf("\n\n\n\n\n\t\t\t\tWELCOME TO MY WEBSITE");printf("\n\t\t\t\t=====================");printf("\n\n\n\n\t\t\tPress Enter to proceed...!!");if(getch()==13)  clrscr();XY:printf("\n\n\n\t\t\t1. LOGIN\t\t2. REGISTER");printf("\n\n\n\t\t\t\tENTER YOUR CHOICE: ");scanf("%d",&n);switch(n)  {    case 1: clrscr();        login();        break;    case 2: clrscr();       ...