1 /* Copyright (C) 2001-2019 Artifex Software, Inc. 2 All Rights Reserved. 3 4 This software is provided AS-IS with no warranty, either express or 5 implied. 6 7 This software is distributed under license and may not be copied, 8 modified or distributed except as expressly authorized under the terms 9 of the license contained in the file LICENSE in this distribution. 10 11 Refer to licensing information at http://www.artifex.com or contact 12 Artifex Software, Inc., 1305 Grant Avenue - Suite 200, Novato, 13 CA 94945, U.S.A., +1(415)492-9861, for further information. 14 */ 15 16 17 /* Generic substitute for Unix unistd.h */ 18 19 #ifndef unistd__INCLUDED 20 # define unistd__INCLUDED 21 22 /* We must include std.h before any file that includes sys/types.h. */ 23 #include "std.h" 24 25 /* 26 * It's likely that you will have to edit the next lines on some Unix 27 * and most non-Unix platforms, since there is no standard (ANSI or 28 * otherwise) for where to find these definitions. 29 */ 30 31 #ifdef __OS2__ 32 # include <io.h> 33 #endif 34 #ifdef __WIN32__ 35 # include <io.h> 36 #endif 37 38 #if defined(_MSC_VER) 39 # define fsync(handle) _commit(handle) 40 # define read(fd, buf, len) _read(fd, buf, len) 41 # define isatty(fd) _isatty(fd) 42 # define setmode(fd, mode) _setmode(fd, mode) 43 # define dup(fd) _dup(fd) 44 # define open(fname, flags, mode) _open(fname, flags, mode) 45 # define close(fd) _close(fd) 46 #elif defined(__BORLANDC__) && defined(__WIN32__) 47 # define fsync(handle) _commit(handle) 48 # define read(fd, buf, len) _read(fd, buf, len) 49 # define isatty(fd) _isatty(fd) 50 # define setmode(fd, mode) _setmode(fd, mode) 51 #else 52 /* _XOPEN_SOURCE 500 define is needed to get 53 * access to pread and pwrite */ 54 # define _XOPEN_SOURCE 500 55 # define __USE_UNIX98 56 # include <unistd.h> 57 #endif 58 59 #endif /* unistd__INCLUDED */ 60