maybe like:

Code:
#define WIDTH 45
#define HEIGHT 12

char screen[WIDTH * HEIGHT];

void set_screen(char n, int x, int y)
{
  screen[x + y * WIDTH] = n;
}

void print_screen(void)
{
  char *line = screen, end = screen + (WIDTH * HEIGHT);

  while(line < end)
  {
    printf("&#37;.*s\n", WIDTH, line);
    line += WIDTH;
  }
}
Duz dat help ne?