l_setbit           44 lib/lua/lgc.c  #define markfinalized(u)	l_setbit((u)->marked, FINALIZEDBIT)
l_setbit           73 lib/lua/lgc.h  #define gray2black(x)	l_setbit((x)->gch.marked, BLACKBIT)
l_setbit           24 lib/lua/lstring.h #define luaS_fix(s)	l_setbit((s)->tsv.marked, FIXEDBIT)