gbox_windowmove
static int gbox_windowmove(struct diofb *, uint16_t, uint16_t, uint16_t,
fb->bmv = gbox_windowmove;
gbox_windowmove(ip, 0, 0, 0, 0, ip->dheight, ip->dwidth, RR_CLEAR);
gbox_windowmove(ip, charY(ip, ' '), charX(ip, ' '),
static void gbox_windowmove(struct ite_data *, int, int, int, int,
ip->bmv = gbox_windowmove;