Thread: using for loop and functions to create a basic menu

hi, I'm trying to make a function that when it is executed asks the user for three options multilplication, division and exit. If the user the user makes a wrong option, the program re-executes asking the user to enter the right option and make the selection again. Can someone please help me on where I'm going wrong.Here is my code:

Code:

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


int print_Menu();

int main(void)
{
printf("This program tests you with ten questions.\n 1) Multiplication\n 2) Division\n 3) Exit\n Please make a selection (1-3)", print_Menu);



return 0;
}


int print_Menu()
{
   int i;
   for (i=1; i<4; i++)
	{
	    scanf("%d", &i);
	    if (i==1)
	    printf("Please give the answers to the following additions:");

	    if (i==2)
	    printf("Please give the answers to the following division questions:");
	    if (i==3)
	    printf("Press the Enter key to exit");
	    else
	    printf("Incorrect choice entered: Please select from one to three numbers");


	}
}

A few problems...

Your print menu function doesn't actually print a menu...

The printf() call doesn't display the result of print_menu() and print_menu() doesn't return a value... so you need to make that two separate calls.

You never ask the user for their choice ... (hint: getchar() or scanf() )

This is a basic layout of a menu function that you'd call from main(). The switch statement needs to be filled in with your menu option actions when you make a choice, of course.

Note especially the do while loop, that keeps repeating the printing of the menu, until the user wants to quit. A for loop just won't do it nearly as clearly.

Code:

int menu (void)
{
  double hi_score, lo_score, avg_score; //change hi and lo to int's.
  int choice, scores[SIZE];
  get_score(scores);

  do {
        printf("\nMENU:");
        printf("\nView HIGH SCORE enter    1");
        printf("\nView LOW SCORE enter     2");
        printf("\nView AVERAGE SCORE enter 3");
        printf("\nQUIT enter               4");
        printf("\nEnter your choice: ");
        scanf("%d", &choice);
        (void) getchar(); //clean the input of newline

        switch (choice) {
        case 1: //your code might call many other functions here
          break;
        case 2: //to handle all these possible choices
          break;
        case 3: //your code here
          break;
        case 4: //your code here
          break;
        default:
          printf("Error! Try again please\n");
        }
  }while(choice != 4);

  return 0; //or (0)
}