cv_setspritepos
return(cv_setspritepos (gp, (struct grf_position *) data));
int cv_setspritepos(struct grf_softc *, struct grf_position *);
cv_setspritepos (gp, &info->pos);
cv_setspritepos (gp, &info->pos);
cv_setspritepos(gp, &info->pos);
cv_setspritepos (gp, &info->pos);
cv_setspritepos (gp, NULL);