netr_validate_chain
DWORD netr_validate_chain(struct netr_info *, struct netr_authenticator *);
DWORD netr_validate_chain(netr_info_t *, struct netr_authenticator *);
if (netr_validate_chain(netr_info, &arg.auth) == 0) {
(void) netr_validate_chain(netr_info,
status = netr_validate_chain(netr_info,