Trying to write a C program that prompts for a number between 1-79 and then 1-23

Question

Trying to write a C program that prompts for a number between 1-79 and then 1-23. If given an incompatible number or character, it must ask again until the requirements are met. Then using those two numbers, create a function called draw_box and have those two numbers draw a box. I'm having trouble trying to figure out how to draw the box.

Example output;

"Please enter the number of asterisks you want in your line: no

I'm sorry, that number is unrecognized or out of range, try [1-79]: 2

Please enter the number of lines you want in your box: -2

I'm sorry, that number is unrecognized or out of range, try [1-23]: 2

**

**

Press any key to continue..."

My code isn't compiling correctly and I don't have a clue as to why.

This is what i have so far:

#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>
void clear_keyboard_buffer(void);
void draw_box(int);

int main(int argc, char* argv[])
{
   int x;
   printf("Please enter the number of asterisks you want in your line: ");
   scanf("%d", &x);
  
   while (x < 1 || x > 79)
   {
       clear_keyboard_buffer();
       printf(" I'm sorry, that number is unrecognized or out of range, try [1-79]: ");
       scanf("%d", &x);
   {
       printf(" I'm sorry, that number is unrecognized or out of range, try [1-79]: ");
       scanf("%d", &x);
       {
           int y = 0;
           printf("Please enter the number of lines you want in your box: ");
           scanf("%d", &y);

           if (y >= 1 && y <= 23)
           {
               for (i = 1; i <= y; i++);
               printf("*");
           }
           else
           {
               printf(" I'm sorry, that number is unrecognized or out of range, try [1-23]: ");
               scanf("%d", &y);
               return 0;
           }
           draw_box();
       }
   }
}

   void clear_keyboard_buffer(void);
   {
       char ch;
       scanf("%c", &ch);
       while (ch != ' ')
       {
           scanf("%c", &ch);
       }
   }

   void draw_box(int x, int y);
{
   int i, j;

   for (i = 0; i<x; i++)

   {

       for (j = 0; j<y; j++)

       {

           printf("*");

       }

   }

   return 0;

}

Explanation / Answer

This is working perfectly for me.. Please clear the cach and temp of your system and please run again.

#define _CRT_SECURE_NO_WARNINGS
#include<stdio.h>

#include<conio.h>

void clear_keyboard_buffer(void);
void draw_box(int);

int main(int argc, char* argv[])
{
   int x;
   printf("Please enter the number of asterisks you want in your line: ");
   scanf("%d", &x);
  
   while (x < 1 || x > 79)
   {
       clear_keyboard_buffer();
       printf(" I'm sorry, that number is unrecognized or out of range, try [1-79]: ");
       scanf("%d", &x);
   {
       printf(" I'm sorry, that number is unrecognized or out of range, try [1-79]: ");
       scanf("%d", &x);
       {
           int y;
           printf("Please enter the number of lines you want in your box: ");
               scanf("%d", &y);
       }
       if (y >= 1 && y <= 23)
       {
           for (i = 1; i <= y; i++);
           printf("*");
       }
       else
       {
           printf(" I'm sorry, that number is unrecognized or out of range, try [1-23]: ");
           scanf("%d", &y);
           return 0;
       }
       draw_box(int x; int y);
   }
}

   void clear_keyboard_buffer(void);
   {
       char ch;
       scanf("%c", &ch);
       while (ch != ' ')
       {
           scanf("%c", &ch);
       }
   }
void draw_box()
void draw_box(int x, int y)
{
   int i, j;

   for (i = 0; i<x; i++)

   {

       for (j = 0; j<y; j++)

       {

           printf("*");

       }

   }

   return 0;

}

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