RB_FL_REVERSE_RAW 1276 include/ruby/ruby.h #define RB_FL_REVERSE(x,f) (RB_FL_ABLE(x) ? RB_FL_REVERSE_RAW(x, f) : (void)0) RB_FL_REVERSE_RAW 1306 include/ruby/ruby.h #define FL_REVERSE_RAW(x,f) RB_FL_REVERSE_RAW(x,f)