rb_error_arity   2007 class.c        	rb_error_arity(argc, n_mand, f_var ? UNLIMITED_ARGUMENTS : n_mand + n_opt);
rb_error_arity   3219 enum.c                     rb_error_arity(argc, 0, 0);
rb_error_arity    180 ext/fiddle/function.c 	rb_error_arity(argc, i, i);
rb_error_arity    295 include/ruby/intern.h NORETURN(void rb_error_arity(int, int, int));
rb_error_arity    300 include/ruby/intern.h 	rb_error_arity(argc, min, max);
rb_error_arity   6267 io.c           	    rb_error_arity(argc + ex, 1 + ex, 2 + ex);
rb_error_arity   3013 transcode.c    	    rb_error_arity(argc + 1, 2, 3);
rb_error_arity   3720 transcode.c    	    rb_error_arity(argc + 1, 2, 5);