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Src/nprt_plugin/gecko/1.8/win/include/prwin16.h
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Src/nprt_plugin/gecko/1.8/win/include/prwin16.h
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is the Netscape Portable Runtime (NSPR).
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998-2000
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef prwin16_h___
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#define prwin16_h___
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/*
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** Condition use of this header on platform.
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*/
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#if (defined(XP_PC) && !defined(_WIN32) && !defined(XP_OS2) && defined(MOZILLA_CLIENT)) || defined(WIN16)
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#include <stdio.h>
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PR_BEGIN_EXTERN_C
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/*
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** Win16 stdio special case.
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** To get stdio to work for Win16, all calls to printf() and related
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** things must be called from the environment of the .EXE; calls to
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** printf() from the .DLL send output to the bit-bucket.
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**
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** To make sure that PR_fprintf(), and related functions, work correctly,
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** the actual stream I/O to stdout, stderr, stdin must be done in the
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** .EXE. To do this, a hack is placed in _MD_Write() such that the
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** fd for stdio handles results in a call to the .EXE.
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**
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** file w16stdio.c contains the functions that get called from NSPR
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** to do the actual I/O. w16stdio.o must be statically linked with
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** any application needing stdio for Win16.
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**
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** The address of these functions must be made available to the .DLL
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** so he can call back to the .EXE. To do this, function
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** PR_MD_RegisterW16StdioCallbacks() is called from the .EXE.
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** The arguments are the functions defined in w16stdio.c
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** At runtime, MD_Write() calls the registered functions, if any
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** were registered.
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**
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** prinit.h contains a macro PR_STDIO_INIT() that calls the registration
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** function for Win16; For other platforms, the macro is a No-Op.
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**
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** Note that stdio is not operational at all on Win16 GUI applications.
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** This special case exists to provide stdio capability from the NSPR
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** .DLL for command line applications only. NSPR's test cases are
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** almost exclusively command line applications.
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**
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** See also: w16io.c, w16stdio.c
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*/
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typedef PRInt32 (PR_CALLBACK *PRStdinRead)( void *buf, PRInt32 amount);
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typedef PRInt32 (PR_CALLBACK *PRStdoutWrite)( void *buf, PRInt32 amount);
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typedef PRInt32 (PR_CALLBACK *PRStderrWrite)( void *buf, PRInt32 amount);
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NSPR_API(PRStatus)
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PR_MD_RegisterW16StdioCallbacks(
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PRStdinRead inReadf, /* i: function pointer for stdin read */
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PRStdoutWrite outWritef, /* i: function pointer for stdout write */
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PRStderrWrite errWritef /* i: function pointer for stderr write */
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);
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NSPR_API(PRInt32)
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_PL_W16StdioWrite( void *buf, PRInt32 amount );
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NSPR_API(PRInt32)
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_PL_W16StdioRead( void *buf, PRInt32 amount );
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#define PR_STDIO_INIT() PR_MD_RegisterW16StdioCallbacks( \
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_PL_W16StdioRead, _PL_W16StdioWrite, _PL_W16StdioWrite ); \
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PR_INIT_CALLBACKS();
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/*
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** Win16 hackery.
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**
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*/
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struct PRMethodCallbackStr {
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int (PR_CALLBACK *auxOutput)(const char *outputString);
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size_t (PR_CALLBACK *strftime)(char *s, size_t len, const char *fmt, const struct tm *p);
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void * (PR_CALLBACK *malloc)( size_t size );
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void * (PR_CALLBACK *calloc)(size_t n, size_t size );
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void * (PR_CALLBACK *realloc)( void* old_blk, size_t size );
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void (PR_CALLBACK *free)( void *ptr );
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void * (PR_CALLBACK *getenv)( const char *name);
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int (PR_CALLBACK *putenv)( const char *assoc);
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/* void * (PR_CALLBACK *perror)( const char *prefix ); */
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};
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NSPR_API(void) PR_MDRegisterCallbacks(struct PRMethodCallbackStr *);
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int PR_CALLBACK _PL_W16CallBackPuts( const char *outputString );
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size_t PR_CALLBACK _PL_W16CallBackStrftime(
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char *s,
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size_t len,
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const char *fmt,
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const struct tm *p );
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void * PR_CALLBACK _PL_W16CallBackMalloc( size_t size );
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void * PR_CALLBACK _PL_W16CallBackCalloc( size_t n, size_t size );
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void * PR_CALLBACK _PL_W16CallBackRealloc(
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void *old_blk,
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size_t size );
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void PR_CALLBACK _PL_W16CallBackFree( void *ptr );
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void * PR_CALLBACK _PL_W16CallBackGetenv( const char *name );
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int PR_CALLBACK _PL_W16CallBackPutenv( const char *assoc );
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/*
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** Hackery!
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**
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** These functions are provided as static link points.
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** This is to satisfy the quick port of Gromit to NSPR 2.0
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** ... Don't do this! ... alas, It may never go away.
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**
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*/
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NSPR_API(int) PR_MD_printf(const char *, ...);
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NSPR_API(void) PR_MD_exit(int);
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NSPR_API(size_t) PR_MD_strftime(char *, size_t, const char *, const struct tm *);
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NSPR_API(int) PR_MD_sscanf(const char *, const char *, ...);
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NSPR_API(void*) PR_MD_malloc( size_t size );
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NSPR_API(void*) PR_MD_calloc( size_t n, size_t size );
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NSPR_API(void*) PR_MD_realloc( void* old_blk, size_t size );
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NSPR_API(void) PR_MD_free( void *ptr );
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NSPR_API(char*) PR_MD_getenv( const char *name );
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NSPR_API(int) PR_MD_putenv( const char *assoc );
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NSPR_API(int) PR_MD_fprintf(FILE *fPtr, const char *fmt, ...);
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#define PR_INIT_CALLBACKS() \
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{ \
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static struct PRMethodCallbackStr cbf = { \
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_PL_W16CallBackPuts, \
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_PL_W16CallBackStrftime, \
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_PL_W16CallBackMalloc, \
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_PL_W16CallBackCalloc, \
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_PL_W16CallBackRealloc, \
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_PL_W16CallBackFree, \
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_PL_W16CallBackGetenv, \
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_PL_W16CallBackPutenv, \
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}; \
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PR_MDRegisterCallbacks( &cbf ); \
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}
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/*
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** Get the exception context for Win16 MFC applications threads
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*/
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NSPR_API(void *) PR_W16GetExceptionContext(void);
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/*
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** Set the exception context for Win16 MFC applications threads
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*/
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NSPR_API(void) PR_W16SetExceptionContext(void *context);
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PR_END_EXTERN_C
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#else
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/*
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** For platforms other than Win16, define
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** PR_STDIO_INIT() as a No-Op.
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*/
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#define PR_STDIO_INIT()
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#endif /* WIN16 || MOZILLA_CLIENT */
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#endif /* prwin16_h___ */
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