gistfile1.cpp

// engine.h
typedef struct{
	unsigned height;
	unsigned width;
	char *buffer;
}screen_t[1];

screen_t screen_new(unsigned x, unsigned y);
void screen_delete(screen_t screen);

void screen_fill(screen_t screen, char ch);

void screen_print(screen_t screen)


// engine.cc
#include "engine.h"
screen_t screen_new(unsigned x, unsigned y)
{
	screen_t screen;
    screen->height = x
	screen->width = y
	screen->buffer = new char[x*(y+1)];

	for (int i = 0; i < x-1; ++i)
		screen->buffer[i*y+y] = '\n';

	screen->buffer[x*(y+1) - 1] = '\0';	
	return screen;
}
void screen_delete(screen_t screen)
{
	screen->x = 0;
	screen->y = 0;
	delete[] screen->buffer;
}
void screen_print(screen_t screen)
{
	fputs(screen->buffer, stdout);
}
void screen_fill(screen_t screen, char ch)
{
	// tb2a tst5dm memset!
	unsigned i_max = screen->height,
	j_max = screen->width;
	for (int i = 0; i < i_max; ++i)
		for (int j = 0; j < j_max; ++j)
			screen->buffer[i*i_max + j] = ch; 


// game.c
#include "engine.h"
int main()
{
	screen_t screen = screen_new(80, 25);
	screen_fill(screen, ' ');
	screen_print(screen);
	screen_delete(screen);
	return 0;
}