RUBY_T_FALSE      497 include/ruby/ruby.h #define T_FALSE  RUBY_T_FALSE
RUBY_T_FALSE      522 include/ruby/ruby.h 	((type) == RUBY_T_FALSE) ? ((obj) == RUBY_Qfalse) : \
RUBY_T_FALSE     1975 include/ruby/ruby.h 	if (obj == RUBY_Qfalse) return RUBY_T_FALSE;