/u/l/lum/work/tch/room.lpc:61:1: warning: Unused local variable 'ob'
   61 | }
      | ^
/u/l/lum/work/tch/room.lpc:61:1: warning: Unused local variable 'obj'
   61 | }
      | ^
/u/l/lum/work/tch/room.lpc:61:1: warning: Unused local variable 'ob'
   61 | }
      | ^
/u/l/lum/work/tch/room.lpc:61:1: warning: Unused local variable 'obj'
   61 | }
      | ^
