472 lines
12 KiB
C
472 lines
12 KiB
C
/*
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* Wine porting definitions
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*
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* Copyright 1996 Alexandre Julliard
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef __WINE_WINE_PORT_H
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#define __WINE_WINE_PORT_H
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#ifndef __WINE_CONFIG_H
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# error You must include config.h to use this header
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#endif
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#define _FILE_OFFSET_BITS 64
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#define _GNU_SOURCE /* for pread/pwrite */
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#include <fcntl.h>
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#include <math.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#ifdef HAVE_DIRECT_H
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# include <direct.h>
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#endif
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#ifdef HAVE_IO_H
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# include <io.h>
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#endif
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#ifdef HAVE_PROCESS_H
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# include <process.h>
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#endif
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#include <string.h>
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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/****************************************************************
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* Type definitions
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*/
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#ifndef HAVE_MODE_T
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typedef int mode_t;
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#endif
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#ifndef HAVE_OFF_T
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typedef long off_t;
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#endif
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#ifndef HAVE_PID_T
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typedef int pid_t;
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#endif
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#ifndef HAVE_SIZE_T
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typedef unsigned int size_t;
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#endif
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#ifndef HAVE_SSIZE_T
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typedef int ssize_t;
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#endif
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#ifndef HAVE_FSBLKCNT_T
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typedef unsigned long fsblkcnt_t;
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#endif
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#ifndef HAVE_FSFILCNT_T
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typedef unsigned long fsfilcnt_t;
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#endif
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#ifndef HAVE_STRUCT_STATVFS_F_BLOCKS
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struct statvfs
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{
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unsigned long f_bsize;
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unsigned long f_frsize;
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fsblkcnt_t f_blocks;
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fsblkcnt_t f_bfree;
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fsblkcnt_t f_bavail;
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fsfilcnt_t f_files;
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fsfilcnt_t f_ffree;
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fsfilcnt_t f_favail;
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unsigned long f_fsid;
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unsigned long f_flag;
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unsigned long f_namemax;
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};
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#endif /* HAVE_STRUCT_STATVFS_F_BLOCKS */
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/****************************************************************
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* Macro definitions
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*/
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#ifdef HAVE_DLFCN_H
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#include <dlfcn.h>
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#else
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#define RTLD_LAZY 0x001
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#define RTLD_NOW 0x002
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#define RTLD_GLOBAL 0x100
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#endif
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#if !defined(HAVE_FTRUNCATE) && defined(HAVE_CHSIZE)
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#define ftruncate chsize
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#endif
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#if !defined(HAVE_POPEN) && defined(HAVE__POPEN)
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#define popen _popen
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#endif
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#if !defined(HAVE_PCLOSE) && defined(HAVE__PCLOSE)
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#define pclose _pclose
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#endif
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#if !defined(HAVE_SNPRINTF) && defined(HAVE__SNPRINTF)
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#define snprintf _snprintf
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#endif
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#if !defined(HAVE_VSNPRINTF) && defined(HAVE__VSNPRINTF)
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#define vsnprintf _vsnprintf
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#endif
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#ifndef S_ISLNK
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# define S_ISLNK(mod) (0)
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#endif
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#ifndef S_ISSOCK
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# define S_ISSOCK(mod) (0)
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#endif
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#ifndef S_ISDIR
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# define S_ISDIR(mod) (((mod) & _S_IFMT) == _S_IFDIR)
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#endif
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#ifndef S_ISCHR
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# define S_ISCHR(mod) (((mod) & _S_IFMT) == _S_IFCHR)
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#endif
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#ifndef S_ISFIFO
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# define S_ISFIFO(mod) (((mod) & _S_IFMT) == _S_IFIFO)
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#endif
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#ifndef S_ISREG
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# define S_ISREG(mod) (((mod) & _S_IFMT) == _S_IFREG)
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#endif
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#ifndef S_IWUSR
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# define S_IWUSR 0
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#endif
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/* So we open files in 64 bit access mode on Linux */
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#ifndef O_LARGEFILE
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# define O_LARGEFILE 0
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#endif
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#ifndef O_NONBLOCK
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# define O_NONBLOCK 0
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#endif
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#ifndef O_BINARY
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# define O_BINARY 0
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#endif
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#if !defined(S_IXUSR) && defined(S_IEXEC)
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# define S_IXUSR S_IEXEC
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#endif
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#if !defined(S_IXGRP) && defined(S_IEXEC)
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# define S_IXGRP S_IEXEC
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#endif
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#if !defined(S_IXOTH) && defined(S_IEXEC)
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# define S_IXOTH S_IEXEC
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#endif
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/****************************************************************
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* Constants
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*/
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#ifndef M_PI
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#define M_PI 3.14159265358979323846
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#endif
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#ifndef M_PI_2
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#define M_PI_2 1.570796326794896619
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#endif
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/* Macros to define assembler functions somewhat portably */
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#if defined(__GNUC__) && !defined(__MINGW32__) && !defined(__CYGWIN__) && !defined(__APPLE__)
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# define __ASM_GLOBAL_FUNC(name,code) \
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__asm__( ".text\n\t" \
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".align 4\n\t" \
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".globl " __ASM_NAME(#name) "\n\t" \
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__ASM_FUNC(#name) "\n" \
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__ASM_NAME(#name) ":\n\t" \
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code \
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"\n\t.previous" );
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#else /* defined(__GNUC__) && !defined(__MINGW32__) && !defined(__APPLE__) */
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# define __ASM_GLOBAL_FUNC(name,code) \
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void __asm_dummy_##name(void) { \
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asm( ".align 4\n\t" \
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".globl " __ASM_NAME(#name) "\n\t" \
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__ASM_FUNC(#name) "\n" \
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__ASM_NAME(#name) ":\n\t" \
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code ); \
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}
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#endif /* __GNUC__ */
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/* Constructor functions */
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#ifdef __GNUC__
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# define DECL_GLOBAL_CONSTRUCTOR(func) \
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static void func(void) __attribute__((constructor)); \
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static void func(void)
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#elif defined(__i386__)
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# define DECL_GLOBAL_CONSTRUCTOR(func) \
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static void __dummy_init_##func(void) { \
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asm(".section .init,\"ax\"\n\t" \
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"call " #func "\n\t" \
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".previous"); } \
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static void func(void)
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#elif defined(__sparc__)
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# define DECL_GLOBAL_CONSTRUCTOR(func) \
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static void __dummy_init_##func(void) { \
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asm("\t.section \".init\",#alloc,#execinstr\n" \
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"\tcall " #func "\n" \
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"\tnop\n" \
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"\t.section \".text\",#alloc,#execinstr\n" ); } \
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static void func(void)
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#else
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# error You must define the DECL_GLOBAL_CONSTRUCTOR macro for your platform
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#endif
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/* Register functions */
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#ifdef __i386__
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#define DEFINE_REGS_ENTRYPOINT( name, args, pop_args ) \
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__ASM_GLOBAL_FUNC( name, \
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"pushl %eax\n\t" \
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"call " __ASM_NAME("__wine_call_from_32_regs") "\n\t" \
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".long " __ASM_NAME("__regs_") #name "-.\n\t" \
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".byte " #args "," #pop_args )
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/* FIXME: add support for other CPUs */
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#endif /* __i386__ */
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/****************************************************************
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* Function definitions (only when using libwine_port)
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*/
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#ifndef NO_LIBWINE_PORT
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#ifndef HAVE_FSTATVFS
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int fstatvfs( int fd, struct statvfs *buf );
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#endif
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#ifndef HAVE_GETOPT_LONG
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extern char *optarg;
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extern int optind;
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extern int opterr;
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extern int optopt;
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struct option;
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#ifndef HAVE_STRUCT_OPTION_NAME
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struct option
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{
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const char *name;
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int has_arg;
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int *flag;
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int val;
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};
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#endif
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extern int getopt_long (int ___argc, char *const *___argv,
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const char *__shortopts,
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const struct option *__longopts, int *__longind);
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extern int getopt_long_only (int ___argc, char *const *___argv,
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const char *__shortopts,
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const struct option *__longopts, int *__longind);
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#endif /* HAVE_GETOPT_LONG */
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#ifndef HAVE_FFS
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int ffs( int x );
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#endif
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#ifndef HAVE_FUTIMES
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struct timeval;
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int futimes(int fd, const struct timeval tv[2]);
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#endif
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#ifndef HAVE_GETPAGESIZE
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size_t getpagesize(void);
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#endif /* HAVE_GETPAGESIZE */
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#ifndef HAVE_GETTID
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pid_t gettid(void);
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#endif /* HAVE_GETTID */
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#ifndef HAVE_LSTAT
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int lstat(const char *file_name, struct stat *buf);
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#endif /* HAVE_LSTAT */
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#ifndef HAVE_MEMMOVE
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void *memmove(void *dest, const void *src, size_t len);
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#endif /* !defined(HAVE_MEMMOVE) */
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#ifndef HAVE_PREAD
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ssize_t pread( int fd, void *buf, size_t count, off_t offset );
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#endif /* HAVE_PREAD */
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#ifndef HAVE_PWRITE
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ssize_t pwrite( int fd, const void *buf, size_t count, off_t offset );
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#endif /* HAVE_PWRITE */
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#ifndef HAVE_READLINK
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int readlink( const char *path, char *buf, size_t size );
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#endif /* HAVE_READLINK */
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#ifndef HAVE_SIGSETJMP
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# include <setjmp.h>
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typedef jmp_buf sigjmp_buf;
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int sigsetjmp( sigjmp_buf buf, int savesigs );
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void siglongjmp( sigjmp_buf buf, int val );
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#endif /* HAVE_SIGSETJMP */
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#ifndef HAVE_STATVFS
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int statvfs( const char *path, struct statvfs *buf );
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#endif
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#ifndef HAVE_STRNCASECMP
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# ifndef HAVE__STRNICMP
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int strncasecmp(const char *str1, const char *str2, size_t n);
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# else
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# define strncasecmp _strnicmp
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# endif
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#endif /* !defined(HAVE_STRNCASECMP) */
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#ifndef HAVE_STRERROR
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const char *strerror(int err);
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#endif /* !defined(HAVE_STRERROR) */
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#ifndef HAVE_STRCASECMP
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# ifndef HAVE__STRICMP
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int strcasecmp(const char *str1, const char *str2);
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# else
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# define strcasecmp _stricmp
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# endif
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#endif /* !defined(HAVE_STRCASECMP) */
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#ifndef HAVE_USLEEP
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int usleep (unsigned int useconds);
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#endif /* !defined(HAVE_USLEEP) */
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#ifdef __i386__
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static inline void *memcpy_unaligned( void *dst, const void *src, size_t size )
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{
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return memcpy( dst, src, size );
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}
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#else
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extern void *memcpy_unaligned( void *dst, const void *src, size_t size );
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#endif /* __i386__ */
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extern int mkstemps(char *template, int suffix_len);
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/* Process creation flags */
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#ifndef _P_WAIT
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# define _P_WAIT 0
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# define _P_NOWAIT 1
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# define _P_OVERLAY 2
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# define _P_NOWAITO 3
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# define _P_DETACH 4
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#endif
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#ifndef HAVE_SPAWNVP
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extern int spawnvp(int mode, const char *cmdname, const char * const argv[]);
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#endif
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/* Interlocked functions */
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#if defined(__i386__) && defined(__GNUC__)
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extern inline int interlocked_cmpxchg( int *dest, int xchg, int compare );
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extern inline void *interlocked_cmpxchg_ptr( void **dest, void *xchg, void *compare );
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extern inline int interlocked_xchg( int *dest, int val );
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extern inline void *interlocked_xchg_ptr( void **dest, void *val );
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extern inline int interlocked_xchg_add( int *dest, int incr );
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extern inline int interlocked_cmpxchg( int *dest, int xchg, int compare )
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{
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int ret;
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__asm__ __volatile__( "lock; cmpxchgl %2,(%1)"
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: "=a" (ret) : "r" (dest), "r" (xchg), "0" (compare) : "memory" );
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return ret;
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}
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extern inline void *interlocked_cmpxchg_ptr( void **dest, void *xchg, void *compare )
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{
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void *ret;
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__asm__ __volatile__( "lock; cmpxchgl %2,(%1)"
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: "=a" (ret) : "r" (dest), "r" (xchg), "0" (compare) : "memory" );
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return ret;
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}
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extern inline int interlocked_xchg( int *dest, int val )
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{
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int ret;
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__asm__ __volatile__( "lock; xchgl %0,(%1)"
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: "=r" (ret) : "r" (dest), "0" (val) : "memory" );
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return ret;
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}
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extern inline void *interlocked_xchg_ptr( void **dest, void *val )
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{
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void *ret;
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__asm__ __volatile__( "lock; xchgl %0,(%1)"
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: "=r" (ret) : "r" (dest), "0" (val) : "memory" );
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return ret;
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}
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extern inline int interlocked_xchg_add( int *dest, int incr )
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{
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int ret;
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__asm__ __volatile__( "lock; xaddl %0,(%1)"
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: "=r" (ret) : "r" (dest), "0" (incr) : "memory" );
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return ret;
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}
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#else /* __i386___ && __GNUC__ */
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extern int interlocked_cmpxchg( int *dest, int xchg, int compare );
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extern void *interlocked_cmpxchg_ptr( void **dest, void *xchg, void *compare );
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extern int interlocked_xchg( int *dest, int val );
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extern void *interlocked_xchg_ptr( void **dest, void *val );
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extern int interlocked_xchg_add( int *dest, int incr );
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#endif /* __i386___ && __GNUC__ */
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#else /* NO_LIBWINE_PORT */
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#define __WINE_NOT_PORTABLE(func) func##_is_not_portable func##_is_not_portable
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#define ffs __WINE_NOT_PORTABLE(ffs)
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#define fstatvfs __WINE_NOT_PORTABLE(fstatvfs)
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#define futimes __WINE_NOT_PORTABLE(futimes)
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#define getopt_long __WINE_NOT_PORTABLE(getopt_long)
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#define getopt_long_only __WINE_NOT_PORTABLE(getopt_long_only)
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#define getpagesize __WINE_NOT_PORTABLE(getpagesize)
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#define interlocked_cmpxchg __WINE_NOT_PORTABLE(interlocked_cmpxchg)
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#define interlocked_cmpxchg_ptr __WINE_NOT_PORTABLE(interlocked_cmpxchg_ptr)
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#define interlocked_xchg __WINE_NOT_PORTABLE(interlocked_xchg)
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#define interlocked_xchg_ptr __WINE_NOT_PORTABLE(interlocked_xchg_ptr)
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#define interlocked_xchg_add __WINE_NOT_PORTABLE(interlocked_xchg_add)
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#define lstat __WINE_NOT_PORTABLE(lstat)
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#define memcpy_unaligned __WINE_NOT_PORTABLE(memcpy_unaligned)
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#define memmove __WINE_NOT_PORTABLE(memmove)
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#define pread __WINE_NOT_PORTABLE(pread)
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#define pwrite __WINE_NOT_PORTABLE(pwrite)
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#define spawnvp __WINE_NOT_PORTABLE(spawnvp)
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#define statvfs __WINE_NOT_PORTABLE(statvfs)
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#define strcasecmp __WINE_NOT_PORTABLE(strcasecmp)
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#define strerror __WINE_NOT_PORTABLE(strerror)
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#define strncasecmp __WINE_NOT_PORTABLE(strncasecmp)
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#define usleep __WINE_NOT_PORTABLE(usleep)
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#endif /* NO_LIBWINE_PORT */
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#endif /* !defined(__WINE_WINE_PORT_H) */
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