Add copyright notice and a few comments here and there

servers/slapd/back-ldbm/back-ldbm.h

+/*
+ * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
+ * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+ */
 /* back-ldbm.h - ldap ldbm back-end header file */
 
 #ifndef _BACK_LDBM_H_

servers/slapd/back-ldbm/external.h

+/*
+ * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
+ * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+ */
 #ifndef _LDBM_EXTERNAL_H
 #define _LDBM_EXTERNAL_H
 

servers/slapd/back-ldbm/proto-back-ldbm.h

+/*
+ * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
+ * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+ */
 #ifndef _PROTO_BACK_LDBM
 #define _PROTO_BACK_LDBM
 

servers/slapd/daemon.c

@@ -295,6 +295,7 @@ open_listener(
 #endif
 
 #ifdef SO_REUSEADDR
+	/* enable address reuse */
 	tmp = 1;
 	if ( setsockopt( l.sl_sd, SOL_SOCKET, SO_REUSEADDR,
 		(char *) &tmp, sizeof(tmp) ) == -1 )
@@ -308,6 +309,7 @@ open_listener(
 	}
 #endif
 #ifdef SO_KEEPALIVE
+	/* enable keep alives */
 	tmp = 1;
 	if ( setsockopt( l.sl_sd, SOL_SOCKET, SO_KEEPALIVE,
 		(char *) &tmp, sizeof(tmp) ) == -1 )
@@ -321,6 +323,7 @@ open_listener(
 	}
 #endif
 #ifdef TCP_NODELAY
+	/* enable no delay */
 	tmp = 1;
 	if ( setsockopt( l.sl_sd, IPPROTO_TCP, TCP_NODELAY,
 		(char *)&tmp, sizeof(tmp) ) )

servers/slapd/main.c

+/*
+ * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
+ * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+ */
 #include "portable.h"
 
 #include <stdio.h>

servers/slapd/proto-slap.h

+/*
+ * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
+ * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+ */
 #ifndef _PROTO_SLAP
 #define _PROTO_SLAP
 

servers/slapd/slap.h

 /* slap.h - stand alone ldap server include file */
+/*
+ * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
+ * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+ */
 
 #ifndef _SLDAPD_H_
 #define _SLDAPD_H_

servers/slapd/tools/ldbmcat.c

+/*
+ * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
+ * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+ */
 #include "portable.h"
 
 #include <stdio.h>

servers/slapd/tools/ldbmtest.c

+/*
+ * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
+ * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+ */
 #include "portable.h"
 
 #include <stdio.h>

servers/slapd/tools/ldif.c

+/*
+ * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
+ * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+ */
 #include "portable.h"
 
 #include <stdio.h>

servers/slapd/tools/ldif2id2children.c

+/*
+ * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
+ * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+ */
 #include "portable.h"
 
 #include <stdio.h>

servers/slapd/tools/ldif2id2entry.c

+/*
+ * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
+ * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+ */
 #include "portable.h"
 
 #include <stdio.h>

servers/slapd/tools/ldif2index.c

+/*
+ * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
+ * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+ */
 #include "portable.h"
 
 #include <stdio.h>

servers/slapd/tools/ldif2ldbm.c

+/*
+ * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
+ * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+ */
 #include "portable.h"
 
 #include <stdio.h>

servers/slapd/tools/mimic.c

+/*
+ * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
+ * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+ */
 /*
  * Mimic unused interfaces of slapd...
  * needed for linking.