#include<stdio.h>
//#include<conion.h>
void main()
    {

    struct customer
    {
    char name[10],street[10],id[5];
    long int mobile,pn,pob;
    }c1;

    printf("Please enter the customer ID\t");
    gets(c1.id);
    printf("\nPlease enter the customer name\t");
    gets(c1.name);
    printf("\nPlease enter the customer street\t");
    gets(c1.street);
    printf("\nPlease enter the customer mobilephone number\t");
    scanf("%li",&c1.mobile);
    fflush(stdin);
    printf("\nPlease enter the customer passport number\t");
    scanf("%li",&c1.pn);
    printf("\nPlease enter the customer post box numbe\t");
    scanf("%li",&c1.pob);    
                void display(char,char,char,long int,long int, long int);
    display(c1.id,c1.name,c1.street,c1.mobile,c1.pn,c1.pob);
                }

void display(char a,char b,char c,long int d,long int e, long int f)
    {
    //clrscr();
                printf("\nThe customer ID is %s",a);
    printf("\nThe customer name is %s",B);
    printf("\nThe customer street is %s",c);
    printf("\nThe customer  mobile phone numberis %li",d);
    printf("\nThe customer passport number is %li",e);
    printf("\nThe customer post box number is %li",f);
    
    }

void display(char,char,char,long int,long int, long int);

void display(char [],char[],char[],long int,long int, long int);

display(c1.id,c1.name,c1.street,c1.mobile,c1.pn,c1.pob);

struct customer
    {
    char name[10],street[10],id[5];
    long int mobile,pn,pob;
    }c1;

void display();
void enter();
void main()
    {
int x,option;
         do
    {
    printf("\nDo you want to:\n \t1.Enter Details \t2.Display Details");
    printf("\nPlease press 1 or 2");
    scanf("%d",&option);
    getchar();
    switch(option)
    {
    case 1:enter();break;
    case 2:display();break;
    default:printf("\nInvalid Option");
    }
        if (c1.id>=c1.id)
    {
    printf("\n\nId can accept only 5 characters");
         }

       printf("\n______Do you want to add anew customer?_______\n\t1.yes\t2.no");
       scanf("%i",&x);
          }while(x==1);
    }



void enter()
    {
        //clrscr();
        printf("Please enter the customer ID\t");
    gets(c1.id);
    printf("\nPlease enter the customer name\t");
    gets(c1.name);
    printf("\nPlease enter the customer street\t");
    gets(c1.street);
    printf("\nPlease enter the customer mobilephone number\t");
    scanf("%li",&c1.mobile);
    fflush(stdin);
    printf("\nPlease enter the customer passport number\t");
    scanf("%li",&c1.pn);
    fflush(stdin);
    printf("\nPlease enter the customer post box numbe\t");
    scanf("%li",&c1.pob);
        display();
        }
      


void display()
    {
    //clrscr();
        printf("\nThe customer ID is %s",c1.id);
    printf("\nThe customer name is %s",c1.name);
    printf("\nThe customer street is %s",c1.street);
    printf("\nThe customer  mobile phone numberis %li",c1.mobile);
    printf("\nThe customer passport number is %li",c1.pn);
    printf("\nThe customer post box number is %li",c1.pob);
    }