Dev - C++ - Cuadro o margen en C

#include <string.h>

#include <stdio.h>

#include <windows.h>

#include <stdlib.h>

void gotoxy (short x, short y);

main()

{

	for(int x=1; x<=112; x++)

	{

		gotoxy (x,0);

		putchar ('*');

		gotoxy (x,30);

		putchar ('*');

	}

	for(int y=1; y<=30; y++)

	{

		gotoxy (0,y);

		putchar ('*');

		gotoxy (112,y);

		putchar ('*');

	}

	//Okami

}

void gotoxy (short x, short y){

	COORD pos = {x, y};

	SetConsoleCursorPosition(GetStdHandle (STD_OUTPUT_HANDLE), pos);

}

void t(int n)

{

	SetConsoleTextAttribute(GetStdHandle(STD_OUTPUT_HANDLE), n);

}