rb_external_str_new_cstr  713 include/ruby/intern.h VALUE rb_external_str_new_cstr(const char*);
rb_external_str_new_cstr  832 include/ruby/intern.h 	rb_external_str_new_cstr(str)		\
rb_external_str_new_cstr 2057 ruby.c             return rb_external_str_new_cstr(p);