Sends an authentication error to the client.
    Format
      #include  <rpc/rpc.h>
      void  svcerr_auth(SVCXPRT *xprt, enum auth_stat why);

1  –  Arguments

 xprt
    A pointer to an RPC server handle created by any of the server-
    handle creation routines.
 why
    The reason for the authentication error.

2  –  Description

    Called by a service dispatch routine that refuses to perform a
    remote procedure call because of an authentication error.

3  –  Return Values

    None