EALM</TT
> is set,
      <SPAN
CLASS="APPLICATION"
>libpq</SPAN
> applications will attempt
      authentication  with  servers for this realm and use separate ticket
      files to avoid conflicts with local ticket files.   This
      environment  variable is only used if Kerberos authentication is
      selected by the server.
     </P
></LI
><LI
><P
>      
      <TT
CLASS="ENVAR"
>PGOPTIONS</TT
> behaves the same as the <A
HREF="libpq-connect.html#LIBPQ-CONNECT-OPTIONS"
>options</A
> connection paramete