NAME
	export_uid - export euid from this_object() to uid of ob

SYNOPSIS
	varargs int export_uid(object ob)


DESCRIPTION
	Exports the euid of this_object() to uid of ob. The first argument
	is optional and defaults to this_object(). If the object got an
	euid, this function will fail and return 0.

        Config.h must define MUDOS_USER_ID for this function to exist.

NOTE
	This function can become a security hole allowing objects to spawn 
	new objects with a "secure" uid. Therefore the function may be
	turned off by undefining MUDOS_EXPORT_UID in config.h.

SEE ALSO
	efun/uid/