praktikum_menu_display.c

#define _CRT_SECURE_NO_DEPRECATE
#include <stdio.h>

typedef struct _abonat
{
    int id;
    int number;
    char *name;
    float plan;
    int minutes;
    int used;
} Abonat;

const int MENU_LENGTH = 6;

enum menu
{
    MENU_EXIT = 0,
    MENU_LIST = 1,
    MENU_ADD = 2,
    MENU_FEES = 3,
    MENU_AVG = 4,
    MENU_HIGH = 5
};

char * menuItems[] = {
    "0 - Exit\n",
    "1 - List users\n",
    "2 - Add user\n",
    "3 - Calculate fees\n",
    "4 - Total and average call length\n",
    "5 - Highest bill\n"
};

int getMenuOption();
void displayMenu();


int main(void)
{
    int opt;
    while ((opt = getMenuOption()))
    {
        switch (opt)
        {
        case MENU_LIST:
            break;
        case MENU_ADD:
            break;
        case MENU_AVG:
            break;
        case MENU_FEES:
            break;
        case MENU_HIGH:
            break;
        default:
            printf("Command - %d\n", opt);
            break;
        }
    }
  puts("Exiting\n");
    return 0;
}

void displayMenu()
{
    int i;
    for (i = 0; i < MENU_LENGTH; i++)
    {
        puts(menuItems[i]);
    }
}

int getMenuOption()
{
    int opt;
    displayMenu();
    scanf("%d", &opt);
    if (opt > 5 || opt < 0)
    {
        opt = 0;
    }
    return opt;
}