HTMLify

#include <stdio.h>
#include <stdlib.h>

typedef struct {
    char name[128];
    char phone[16];
    char email[128];
} Contact;

void print_contact(Contact contact) {
    printf("Name: %s\n", contact.name);
    printf("Phone: %s\n", contact.phone);
    printf("Email: %s\n", contact.email);
}

int main() {
    Contact contacts[1024];
    int contact_count = 0, choice, id;
    char ss = '|';

    while (0x1) {
        printf("0: Exit\n");
        printf("1: Add Contact\n");
        printf("2: Print Contact\n");
        printf("3: List Contacts\n");
        printf(": ");
        scanf("%d", &choice);
        switch (choice) {
            case 0:
                exit(0);
                break;
            case 1:
                Contact contact;
                printf("Enter the name for the contact \n");
                scanf("%s", contact.name);
                printf("Enter the phone number for the contact \n");
                scanf("%s", contact.phone);
                printf("Enter Email address for the contact \n");
                scanf("%s", contact.email);
                contacts[contact_count] = contact;
                contact_count++;
                printf("New contact with ID %d created succsesfully\n", contact_count);
                print_contact(contact);
                break;
            case 2:
                printf("Enter ID for the contact\n");
                scanf("%d", &id);
                if (id > contact_count || id < 1) {
                    printf("Contact with this id does not exists \n");
                    continue;
                }
                print_contact(contacts[id-1]);
                break;
            case 3:
                printf("|-|-----------------------\n");
                for (int i=0; i<contact_count; i++) {
                    int id = i+1;
                    if (id == 1000 || id == 100 || id == 10) {
                        ss = '\\';
                    } else {
                        ss = '|';
                    }
                    printf("|%d%c%s\n", id, ss, &contacts[i].name);
                }
                printf("|----|-----------------------\n");
                break;
            default:
                printf("Not a valid choice\n");
        }
    }
}