390 lines
9.2 KiB
C
390 lines
9.2 KiB
C
/*
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*
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* Copyright (C) 1994-2011, OFFIS e.V.
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* All rights reserved. See COPYRIGHT file for details.
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*
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* This software and supporting documentation were partly developed by
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*
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* OFFIS e.V.
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* R&D Division Health
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* Escherweg 2
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* D-26121 Oldenburg, Germany
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*
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* For further copyrights, see the following paragraphs.
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*
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*/
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/*
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** Copyright (C) 1993/1994, OFFIS, Oldenburg University and CERIUM
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**
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** This software and supporting documentation were
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** developed by
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**
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** Institut OFFIS
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** Bereich Kommunikationssysteme
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** Westerstr. 10-12
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** 26121 Oldenburg, Germany
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**
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** Fachbereich Informatik
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** Abteilung Prozessinformatik
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** Carl von Ossietzky Universitaet Oldenburg
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** Ammerlaender Heerstr. 114-118
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** 26111 Oldenburg, Germany
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**
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** CERIUM
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** Laboratoire SIM
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** Faculte de Medecine
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** 2 Avenue du Pr. Leon Bernard
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** 35043 Rennes Cedex, France
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**
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** for CEN/TC251/WG4 as a contribution to the Radiological
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** Society of North America (RSNA) 1993 Digital Imaging and
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** Communications in Medicine (DICOM) Demonstration.
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**
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** THIS SOFTWARE IS MADE AVAILABLE, AS IS, AND NEITHER OFFIS,
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** OLDENBURG UNIVERSITY NOR CERIUM MAKE ANY WARRANTY REGARDING
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** THE SOFTWARE, ITS PERFORMANCE, ITS MERCHANTABILITY OR
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** FITNESS FOR ANY PARTICULAR USE, FREEDOM FROM ANY COMPUTER
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** DISEASES OR ITS CONFORMITY TO ANY SPECIFICATION. THE
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** ENTIRE RISK AS TO QUALITY AND PERFORMANCE OF THE SOFTWARE
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** IS WITH THE USER.
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**
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** Copyright of the software and supporting documentation
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** is, unless otherwise stated, jointly owned by OFFIS,
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** Oldenburg University and CERIUM and free access is hereby
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** granted as a license to use this software, copy this
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** software and prepare derivative works based upon this
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** software. However, any distribution of this software
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** source code or supporting documentation or derivative
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** works (source code and supporting documentation) must
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** include the three paragraphs of this copyright notice.
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**
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*/
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/*
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**
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** Author: Andrew Hewett Created: 11-08-93
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**
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** Module: dcompat.h
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**
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** Purpose:
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** This is the place to declare compatability routines
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** which can be missing on some systems.
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**
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** This include file is automatically included by dicom.h
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**
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** Module Prefix: none
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**
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*/
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#ifndef DCOMPAT_H
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#define DCOMPAT_H
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#include "dcmtk/config/osconfig.h" /* make sure OS specific configuration is included first */
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#include "dcmtk/ofstd/ofbmanip.h" /* for bzero workaround */
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#include "dcmtk/dcmnet/dndefine.h"
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#define INCLUDE_CSTDLIB
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#define INCLUDE_CTIME
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#define INCLUDE_CSTRING
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#define INCLUDE_CERRNO
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#define INCLUDE_LIBC
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#define INCLUDE_UNISTD
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#include "dcmtk/ofstd/ofstdinc.h"
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#ifdef HAVE_GUSI_H
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/* Use the Grand Unified Sockets Interface (GUSI) on Macintosh */
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#include <GUSI.h>
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#endif
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#ifdef HAVE_WINDOWS_H
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#include <windows.h> /* this includes either winsock.h or winsock2.h */
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#else
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#ifdef HAVE_WINSOCK_H
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#include <winsock.h> /* include winsock.h directly i.e. on MacOS */
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#ifdef macintosh
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/*
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** The WinSock header on Macintosh does not declare the WORD type nor the MAKEWORD
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** macro need to initialize the WinSock library.
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*/
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typedef u_short WORD;
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#define MAKEWORD(a,b) ((WORD) (((a)&0xff)<<8) | ((b)&0xff) )
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#endif
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#endif
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#endif
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BEGIN_EXTERN_C
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#ifdef HAVE_SYS_TIME_H
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#include <sys/time.h>
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#endif
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#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#ifdef HAVE_SYS_SOCKET_H
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#ifndef DCOMPAT_SYS_SOCKET_H_
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#define DCOMPAT_SYS_SOCKET_H_
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/* some systems don't protect sys/socket.h (e.g. DEC Ultrix) */
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#include <sys/socket.h>
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#endif
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#endif
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#ifdef HAVE_NETINET_IN_H
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#include <netinet/in.h>
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#endif
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#ifdef HAVE_ARPA_INET_H
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#include <arpa/inet.h>
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#endif
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#ifdef HAVE_NETDB_H
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#include <netdb.h>
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#endif
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#ifdef HAVE_SYS_WAIT_H
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#include <sys/wait.h>
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#endif
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#ifdef HAVE_SYS_RESOURCE_H
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#include <sys/resource.h>
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#endif
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#ifdef HAVE_SYS_PARAM_H
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#include <sys/param.h>
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#endif
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#ifdef HAVE_SYS_SELECT_H
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#include <sys/select.h>
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#endif
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#ifdef HAVE_SYS_FILE_H
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#include <sys/file.h>
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#endif
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END_EXTERN_C
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#ifdef _WIN32
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#include <process.h>
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#include <io.h>
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#ifndef __CYGWIN__
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#include <sys/locking.h>
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#endif
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#endif
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#ifndef EINTR
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/* The WinSock header on Macintosh does not define an EINTR error code */
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#ifdef HAVE_WINSOCK_H
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#define EINTR WSAEINTR
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#endif
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#endif
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#ifdef HAVE_PROTOTYPE_FLOCK
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#define dcmtk_flock flock
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#define dcmtk_plockerr perror
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#endif
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#ifndef HAVE_PROTOTYPE_FLOCK
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#ifdef HAVE_FLOCK
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BEGIN_EXTERN_C
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DCMTK_DCMNET_EXPORT int flock(int fd, int operation);
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END_EXTERN_C
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#define dcmtk_flock flock
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#define dcmtk_plockerr perror
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#else
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/*
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* Simulate the flock function calls
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* using the facilities of fcntl(2)
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*/
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#define LOCK_SH 1 /* shared lock */
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#define LOCK_EX 2 /* exclusive lock */
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#define LOCK_NB 4 /* don't block when locking */
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#define LOCK_UN 8 /* unlock */
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DCMTK_DCMNET_EXPORT int dcmtk_flock(int fd, int operation);
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DCMTK_DCMNET_EXPORT void dcmtk_plockerr(const char *s);
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#endif /* !HAVE_FLOCK */
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#endif
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#ifndef HAVE_BZERO
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#ifndef bzero
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#define bzero(p,len) memset((void*)(p), 0, (len));
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#endif
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#endif
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#ifndef HAVE_PROTOTYPE_GETHOSTNAME
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#ifdef HAVE_GETHOSTNAME
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/* gethostname is in the libraries but we have no prototype */
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BEGIN_EXTERN_C
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DCMTK_DCMNET_EXPORT int gethostname(char* name, int namelen);
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END_EXTERN_C
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#else
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/* define gethostname ourselves */
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DCMTK_DCMNET_EXPORT int gethostname(char* name, int namelen);
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#endif
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#endif
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#ifndef HAVE_PROTOTYPE_GETHOSTBYNAME
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#ifdef HAVE_GETHOSTBYNAME
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/* it is in the libraries but we have no prototype */
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BEGIN_EXTERN_C
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struct hostent *gethostbyname(const char* name);
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END_EXTERN_C
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#else
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/* don't know how to emulate */
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#endif
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#endif
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#ifndef HAVE_PROTOTYPE_GETSOCKOPT
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#ifdef HAVE_GETSOCKOPT
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/* it is in the libraries but we have no prototype */
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BEGIN_EXTERN_C
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DCMTK_DCMNET_EXPORT int getsockopt(int s, int level, int optname, char *optval, int *optlen);
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END_EXTERN_C
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#else
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/* don't know how to emulate */
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#endif
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#endif
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#ifndef HAVE_PROTOTYPE_SETSOCKOPT
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#ifdef HAVE_SETSOCKOPT
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/* it is in the libraries but we have no prototype */
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BEGIN_EXTERN_C
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DCMTK_DCMNET_EXPORT int setsockopt(int s, int level, int optname, const char *optval, int optlen);
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END_EXTERN_C
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#else
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/* don't know how to emulate */
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#endif
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#endif
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#ifndef HAVE_PROTOTYPE_LISTEN
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#ifdef HAVE_LISTEN
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/* it is in the libraries but we have no prototype */
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BEGIN_EXTERN_C
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DCMTK_DCMNET_EXPORT int listen(int s, int backlog);
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END_EXTERN_C
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#else
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/* don't know how to emulate */
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#endif
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#endif
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#ifndef HAVE_PROTOTYPE_SOCKET
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#ifdef HAVE_SOCKET
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/* it is in the libraries but we have no prototype */
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BEGIN_EXTERN_C
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DCMTK_DCMNET_EXPORT int socket(int domain, int type, int protocol);
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END_EXTERN_C
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#else
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/* don't know how to emulate */
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#endif
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#endif
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#ifndef HAVE_PROTOTYPE_CONNECT
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#ifdef HAVE_CONNECT
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/* it is in the libraries but we have no prototype */
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BEGIN_EXTERN_C
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DCMTK_DCMNET_EXPORT int connect(int s, struct sockaddr *name, int namelen);
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END_EXTERN_C
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#else
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/* don't know how to emulate */
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#endif
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#endif
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#ifndef HAVE_PROTOTYPE_SELECT
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#ifdef HAVE_SELECT
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/* it is in the libraries but we have no prototype */
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BEGIN_EXTERN_C
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DCMTK_DCMNET_EXPORT int select(int nfds, fd_set *readfds, fd_set *writefds,
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fd_set *exceptfds, struct timeval *timeout);
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END_EXTERN_C
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#else
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/* don't know how to emulate */
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#endif
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#endif
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#ifndef HAVE_PROTOTYPE_BIND
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#ifdef HAVE_BIND
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/* it is in the libraries but we have no prototype */
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BEGIN_EXTERN_C
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DCMTK_DCMNET_EXPORT int bind(int s, const struct sockaddr *name, int namelen);
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END_EXTERN_C
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#else
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/* don't know how to emulate */
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#endif
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#endif
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#ifndef HAVE_PROTOTYPE_ACCEPT
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#ifdef HAVE_ACCEPT
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/* it is in the libraries but we have no prototype */
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BEGIN_EXTERN_C
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DCMTK_DCMNET_EXPORT int accept(int s, struct sockaddr *addr, int *addrlen);
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END_EXTERN_C
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#else
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/* don't know how to emulate */
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#endif
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#endif
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#ifndef HAVE_PROTOTYPE_GETSOCKNAME
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#ifdef HAVE_GETSOCKNAME
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/* it is in the libraries but we have no prototype */
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BEGIN_EXTERN_C
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DCMTK_DCMNET_EXPORT int getsockname(int s, struct sockaddr *name, int *namelen);
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END_EXTERN_C
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#else
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/* don't know how to emulate */
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#endif
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#endif
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#ifndef HAVE_PROTOTYPE_WAITPID
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#ifdef HAVE_WAITPID
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/* it is in the libraries but we have no prototype */
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BEGIN_EXTERN_C
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DCMTK_DCMNET_EXPORT int waitpid(pid_t pid, int *statusp, int options);
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END_EXTERN_C
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#else
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/* don't know how to emulate */
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#endif
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#endif
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#ifndef HAVE_PROTOTYPE_WAIT3
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#ifdef HAVE_WAIT3
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/* it is in the libraries but we have no prototype */
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BEGIN_EXTERN_C
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DCMTK_DCMNET_EXPORT int wait3(int *statusp, int options, struct rusage *rusage);
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END_EXTERN_C
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#else
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/* don't know how to emulate */
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#endif
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#endif
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#ifndef HAVE_ACCESS
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#ifndef R_OK
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#define R_OK 0x01
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#define W_OK 0x02
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#define X_OK 0x04
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#define F_OK 0x08
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#endif
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DCMTK_DCMNET_EXPORT int access(const char* path, int amode);
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#else /* HAVE_ACCESS */
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#ifdef _WIN32
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/* windows defines access but not the constants */
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#ifndef R_OK
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#define W_OK 02 /* Write permission */
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#define R_OK 04 /* Read permission */
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#define F_OK 00 /* Existance only */
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#define X_OK 00 /* execute permission has no meaning under windows, treat as existance */
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#endif /* R_OK */
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#endif /* _WIN32 */
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#endif /* HAVE_ACCESS */
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#ifndef HAVE_STRERROR
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DCMTK_DCMNET_EXPORT char *strerror(int e);
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#endif
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#ifndef HAVE_TEMPNAM
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DCMTK_DCMNET_EXPORT char *tempnam(char *dir, char *pfx);
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#endif
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#ifdef _WIN32
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#define NULL_DEVICE_NAME "nul"
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#else
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#define NULL_DEVICE_NAME "/dev/null"
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#endif
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#endif /* DCOMPAT_H */
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