#include <stdio.h>

int menu();

int main()
{
    menu();
    return 0;
}

int menu()
{
    char option;
    int flag = 1;

    printf("*****OPTION*****MENU*****\n");
    printf("L: Load image\n");
    printf("R: Remove image\n");
    printf("P: Print image\n");
    printf("A: Average image\n");
    printf("H: Horizontal derivative\n");
    printf("V: Vertical derivative\n");
    printf("T: compute hisTogram\n");
    printf("D: search Digram\n");
    printf("M: local Maxima\n");
    printf("Q: Quit program\n");
    printf("*************************\n");
    printf("Select an option: ");
    scanf("%c", &option);

    if(option == 'q' || option == 'Q')
    {
        printf("Program Terminated\n");
        flag = 0;
    }

    if(flag == 1)
    {
        menu();
    }
    else
    {
        return 0;
    }

}