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diff --git a/mozilla/nsprpub/pr/src/cplus/rcnetio.h b/mozilla/nsprpub/pr/src/cplus/rcnetio.h
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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* ***** BEGIN LICENSE BLOCK *****
+ * Version: MPL 1.1/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Mozilla Public License Version
+ * 1.1 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * Software distributed under the License is distributed on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
+ * for the specific language governing rights and limitations under the
+ * License.
+ *
+ * The Original Code is the Netscape Portable Runtime (NSPR).
+ *
+ * The Initial Developer of the Original Code is
+ * Netscape Communications Corporation.
+ * Portions created by the Initial Developer are Copyright (C) 1998-2000
+ * the Initial Developer. All Rights Reserved.
+ *
+ * Contributor(s):
+ *
+ * Alternatively, the contents of this file may be used under the terms of
+ * either the GNU General Public License Version 2 or later (the "GPL"), or
+ * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the MPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the MPL, the GPL or the LGPL.
+ *
+ * ***** END LICENSE BLOCK ***** */
+
+/*
+** Subclass definitions for network I/O (ref: prio.h)
+*/
+
+#if defined(_RCNETIO_H)
+#else
+#define _RCNETIO_H
+
+#include "rcbase.h"
+#include "rcinrval.h"
+#include "rcio.h"
+#include "rcnetdb.h"
+
+#include "prio.h"
+
+class RCFileInfo;
+
+/*
+** Class: RCNetStreamIO (ref prio.h)
+**
+** Streamed (reliable) network I/O (e.g., TCP).
+** This class hides (makes private) the functions that are not applicable
+** to network I/O (i.e., those for file I/O).
+*/
+
+class PR_IMPLEMENT(RCNetStreamIO): public RCIO
+{
+
+public:
+    RCNetStreamIO();
+    virtual ~RCNetStreamIO();
+
+    virtual RCIO*       Accept(RCNetAddr* addr, const RCInterval& timeout);
+    virtual PRInt32     AcceptRead(
+                            RCIO **nd, RCNetAddr **raddr, void *buf,
+                            PRSize amount, const RCInterval& timeout);
+    virtual PRInt64     Available();
+    virtual PRStatus    Bind(const RCNetAddr& addr);
+    virtual PRStatus    Connect(
+                            const RCNetAddr& addr, const RCInterval& timeout);
+    virtual PRStatus    GetLocalName(RCNetAddr *addr) const;
+    virtual PRStatus    GetPeerName(RCNetAddr *addr) const;
+    virtual PRStatus    GetSocketOption(PRSocketOptionData *data) const;
+    virtual PRStatus    Listen(PRIntn backlog);
+    virtual PRInt16     Poll(PRInt16 in_flags, PRInt16 *out_flags);
+    virtual PRInt32     Read(void *buf, PRSize amount);
+    virtual PRInt32     Recv(
+                            void *buf, PRSize amount, PRIntn flags,
+                            const RCInterval& timeout);
+    virtual PRInt32     Recvfrom(
+                            void *buf, PRSize amount, PRIntn flags,
+                            RCNetAddr* addr, const RCInterval& timeout);
+    virtual PRInt32     Send(
+                            const void *buf, PRSize amount, PRIntn flags,
+                            const RCInterval& timeout);
+    virtual PRInt32     Sendto(
+                            const void *buf, PRSize amount, PRIntn flags,
+                            const RCNetAddr& addr,
+                            const RCInterval& timeout);
+    virtual PRStatus    SetSocketOption(const PRSocketOptionData *data);
+    virtual PRStatus    Shutdown(ShutdownHow how);
+    virtual PRInt32     TransmitFile(
+                            RCIO *source, const void *headers,
+                            PRSize hlen, RCIO::FileDisposition flags,
+                            const RCInterval& timeout);
+    virtual PRInt32     Write(const void *buf, PRSize amount);
+    virtual PRInt32     Writev(
+                            const PRIOVec *iov, PRSize size,
+                            const RCInterval& timeout);
+
+private:
+    /* functions unavailable to this clients of this class */
+    RCNetStreamIO(const RCNetStreamIO&);
+
+    PRStatus    Close();
+    PRStatus    Open(const char *name, PRIntn flags, PRIntn mode);
+    PRStatus    FileInfo(RCFileInfo *info) const;
+    PRStatus    Fsync();
+    PRInt64     Seek(PRInt64 offset, RCIO::Whence how);
+
+public:
+    RCNetStreamIO(PRIntn protocol);
+};  /* RCNetIO */
+
+#endif /* defined(_RCNETIO_H) */
+
+/* RCNetStreamIO.h */
+
+