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