
	errorp(3)		MudOS v21c2		(5 Sep 1994)

	:
		errorp() - жһָıǷΪ (error code).
	﷨:
		int errorp( mixed arg );

		 errorp(  arg );
	÷:
		 arg  һֵĴ, errorp()  1 .

		ܻ޸ĳԽʽ (emulated functions, efun), 
		һ׼Ĵ. Գʽд:

		if (errorp(result = efun_call()))
			printf("error = %d\n", result);

		ļƻ, ǻһµĺʽ perror(result)
		ֵĴһѶϢִ.
	ο:
		nullp(3), undefinedp(3)
	:
		Spock @ FF	97.Feb.12.		(printed 3/16/95)
