This program is to draw a rectangle with printf and for loops to train looping and coordinate calculation for two days beginner in C

2018041001DrawRectangle.c

/*
	This program is to draw a rectangle with printf and for loops
	to train looping and coordinate calculation
	for two days beginner in C

	Programmer: Dr. Aung Win Htut (Green Hackers)
	https://www.facebook.com/GreenHackersOTC/
	Date: 10-04-2018
	
*/
#include<stdio.h>
#include<conio.h>
#include<process.h>
int funDrawRectangle(int x, int y, int d,char ch);

int main()
{
	
	for(int i=5,j=5;i<20,j<20;i++,j++)
	{
		funDrawRectangle(i,j,8,'*');
		getch();
	}
	
	return 0;
}

int funDrawRectangle(int x, int y, int d,char ch)
{
	int r=d/2;
	system("cls");
	for(int k=1;k<=y-r-1;k++)
	{
		printf("\n");
	}
	
 	for(int j=y-r;j<=y+r;j++)
	{
		for(int i=1;i<=x-r-1;i++)
		{
				printf(" ",ch);
		}
		for(int i=x-r;i<=x-r;i++)
		{
				printf("%c",ch);
		}
		for(int i=x-r+1;i<=x+r-1-1;i++)
		{
			if((j==y-r)||(j==y+r))
			{
				printf("%c",ch);
			}
			else
			{
				printf(" ");
			}
		}
		for(int i=x+r;i<=x+r;i++)
		{
			printf("%c",ch);
		}
		printf("\n");
	}
	

	return 0;
}