void Ns_SetUserAuthorizeProc(
Ns_UserAuthorizeProc *procPtr
);
Sets a procedure to handle calls to Ns_AuthorizeUser. This function should only be called once per execution of AOLserver. The procPtr
should be of the form:
typedef int (Ns_UserAuthorizeProc) (char *user, char *passwd);
It should return NS_OK on a match or NS_ERROR if any problem is encountered or the password does not match.