CALLBACK_MCODE_GROUP   41 lj_ccallback.c   (CALLBACK_MCODE_HEAD + CALLBACK_MCODE_GROUP*((slot)/32) + 4*(slot))
CALLBACK_MCODE_GROUP   47 lj_ccallback.c   group = ofs / (32*4 + CALLBACK_MCODE_GROUP);
CALLBACK_MCODE_GROUP   48 lj_ccallback.c   return (ofs % (32*4 + CALLBACK_MCODE_GROUP))/4 + group*32;
CALLBACK_MCODE_GROUP   52 lj_ccallback.c   (((CALLBACK_MCODE_SIZE-CALLBACK_MCODE_HEAD)/(CALLBACK_MCODE_GROUP+4*32))*32)