rem: case CONSOLE_OP_WRITEXY:
context: console_ioctl(void *cookie, uint32 op, void *buffer, size_t len){	int err;		switch (op) {		case CONSOLE_OP_WRITEXY:		{			size_t wlen;			int x,y;			mutex_lock(&console.lock);			x = ((int *)buffer)[0];			y = ((int *)buffer)[1];			save_cur();//			gotoxy(x, y);			wlen = len - 2 * sizeof(int);			if (_console_write(((char *)buffer) + 2 * sizeof(int), &wlen) == B_OK)				err = 0; // we're okay			else				err = EIO;			restore_cur();			mutex_unlock(&console.lock);			break;		}		default:			err = EINVAL;	}	return err;}