Remove PQunixsocket, per Peter's recommendation. PQhost shows the socket directory.

doc/src/sgml/libpq.sgml

 <!--
-$Header: /cvsroot/pgsql/doc/src/sgml/libpq.sgml,v 1.48 2000/11/22 01:41:12 momjian Exp $
+$Header: /cvsroot/pgsql/doc/src/sgml/libpq.sgml,v 1.49 2000/11/28 06:53:32 momjian Exp $
 -->
 
  <chapter id="libpq-chapter">
@@ -564,16 +564,6 @@ char *PQport(const PGconn *conn)
 </para>
 </listitem>
 
-<listitem>
-<para>
-<function>PQunixsocket</function>
-         Returns the directory of the Unix-domain socket of the connection.
-<synopsis>
-char *PQunixsocket(const PGconn *conn)
-</synopsis>
-</para>
-</listitem>
-
 <listitem>
 <para>
 <function>PQtty</function>

src/interfaces/libpq/fe-connect.c

@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $Header: /cvsroot/pgsql/src/interfaces/libpq/fe-connect.c,v 1.149 2000/11/27 21:12:25 momjian Exp $
+ *	  $Header: /cvsroot/pgsql/src/interfaces/libpq/fe-connect.c,v 1.150 2000/11/28 06:53:33 momjian Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -2627,14 +2627,6 @@ PQport(const PGconn *conn)
 	return conn->pgport;
 }
 
-char *
-PQunixsocket(const PGconn *conn)
-{
-	if (!conn)
-		return (char *) NULL;
-	return conn->pgunixsocket;
-}
-
 char *
 PQtty(const PGconn *conn)
 {