[Solved] C Program are closing automatically

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When you call menu after user input is [1] yes. with menu() function show menu and after menu you should show call food() function.

HERE WHAT YOU WANT 

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

void menu();
void foods();
void main();
char food;
int quantity;
float price;
float total;
float grandtotal;
int choice;

void main()
{


    clrscr();
    do {
        menu();
        foods();

        printf("\n Do you want to order more? [1] Yes [2] No:");
        scanf("%d", &choice);
        getchar();  // <== remove newline
        grandtotal = grandtotal + total;
    } while (choice == 1);

        printf("\n Total Price is: %0.2f", grandtotal);
    getch();
}

void menu() {

    food = ' ';
    quantity = 0;
    price = 0;
    total = 0;
    choice = 0;
    printf("Please select food from the following:\n");
    printf(" B = Burger, F = French Fries, P = Pizza, S = Sandwiches \n");

    printf("Enter food:");
    scanf("%c", &food);
}

void foods() {
    switch (food)
    {
    case 'B':
        printf("You selected Burger!\n");
        printf("Enter quantity:");
        scanf("%d", &quantity);
        price = 95.50;

        //printf("\n Do you want to order more? [1] Yes [2] No:");
        //scanf("%d", &choice);
        //getchar();  // <== remove newline

        total = price*quantity;
        break;

        //if (choice == 1) {

        //  menu();
        //  break;
        //}
        //else if (choice == 2) {
        //  grandtotal = grandtotal + total;
        //  printf("\n Total Price is: %0.2f", grandtotal);
        //  break;
        //}

    case 'F':
        printf("You selected French Fries!\n");
        printf("Enter quantity:");
        scanf("%d", &quantity);
        price = 47.75;

        //printf("\n Do you want to order more? [1] Yes [2] No:");
        //scanf("%d", &choice);

        total = price*quantity;
        break;
        //if (choice == 1) {
        //  menu();
        //  break;
        //}
        //else if (choice == 2) {
        //  grandtotal = grandtotal + total;
        //  printf("\n Total Price is: %0.2f", grandtotal);
        //  break;
        //}

    case 'P':
        printf("You selected French Pizza!\n");
        printf("Enter quantity:");
        scanf("%d", &quantity);
        price = 105.00;

        //printf("\n Do you want to order more? [1] Yes [2] No:");
        //scanf("%d", &choice);

        total = price*quantity;
        break;
        //if (choice == 1) {
        //  menu();
        //  break;
        //}
        //else if (choice == 2) {
        //  grandtotal = grandtotal + total;
        //  printf("\n Total Price is: %0.2f", grandtotal);
        //  break;
        //}

    case 'S':
        printf("You selected Sandwiches\n");
        printf("Enter quantity:");
        scanf("%d", &quantity);
        price = 75.50;

        //printf("\n Do you want to order more? [1] Yes [2] No:");
        //scanf("%d", &choice);

        total = price*quantity;
        break;
        //if (choice == 1) {
        //  main();
        //  break;
        //}
        //else if (choice == 2) {
        //  grandtotal = grandtotal + total;
        //  printf("\n Total Price is: %0.2f", grandtotal);
        //  break;
        //}

    default:
        printf("INVALID FOOD!");
        break;

    }
}

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solved C Program are closing automatically