rb_write_error   1215 error.c        	rb_write_error(s);
rb_write_error   1216 error.c        	rb_write_error("\n");
rb_write_error     15 eval_error.c       rb_write_error(buf);
rb_write_error     18 eval_error.c   #define warn_print(x) rb_write_error(x)
rb_write_error   7675 ext/win32ole/win32ole.c     rb_write_error(StringValuePtr(error));
rb_write_error    414 include/ruby/intern.h void rb_write_error(const char*);