XSIZE01
for (i=XSIZE00; i<=XSIZE01; i++)
if ((obj=occupant[y][xp=(x+XSIZE01)%XSIZE])&&obj->type == what) /* 0, 1 */
if (((obj=occupant[y][xp=(x+XSIZE01)%XSIZE])&&obj->type == what)||/* 0, 1 */
if (((obj=occupant[y][xp=(x+XSIZE01)%XSIZE])&&obj->image==what)||/* 0, 1 */