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annotate lib/sys_ioctl.in.h @ 10615:be40ec1f7b03

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New module 'sys_ioctl'.
author Bruno Haible <bruno@clisp.org>
date Fri, 10 Oct 2008 04:25:28 +0200
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children 8668b19a7032
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10615
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1 /* Substitute for and wrapper around <sys/ioctl.h>.
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2 Copyright (C) 2008 Free Software Foundation, Inc.
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3
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4 This program is free software; you can redistribute it and/or modify
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5 it under the terms of the GNU General Public License as published by
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6 the Free Software Foundation; either version 2, or (at your option)
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7 any later version.
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8
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9 This program is distributed in the hope that it will be useful,
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10 but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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12 GNU General Public License for more details.
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13
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14 You should have received a copy of the GNU General Public License
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15 along with this program; if not, write to the Free Software Foundation,
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16 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
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17
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18 #ifndef _GL_SYS_IOCTL_H
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19
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20 @PRAGMA_SYSTEM_HEADER@
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21
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22 /* The include_next requires a split double-inclusion guard. */
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23 #if @HAVE_SYS_IOCTL_H@
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24 # @INCLUDE_NEXT@ @NEXT_SYS_IOCTL_H@
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25 #endif
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26
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27 #ifndef _GL_SYS_IOCTL_H
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28 #define _GL_SYS_IOCTL_H
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29
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30 /* AIX 5.1 and Solaris 10 declare ioctl() in <unistd.h> and in <stropts.h>,
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31 but not in <sys/ioctl.h>. */
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32 #include <unistd.h>
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33
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34 /* The definition of GL_LINK_WARNING is copied here. */
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35
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36
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37 /* Declare overridden functions. */
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38
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39 #ifdef __cplusplus
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40 extern "C" {
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41 #endif
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42
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43
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44 #if @GNULIB_IOCTL@
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45 # if @SYS_IOCTL_H_HAVE_WINSOCK2_H@
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46 # undef ioctl
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47 # define ioctl rpl_ioctl
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48 extern int ioctl (int fd, int request, ... /* {void *,char *} arg */);
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49 # endif
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50 #elif @SYS_IOCTL_H_HAVE_WINSOCK2_H@
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51 # undef ioctl
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52 # define ioctl ioctl_used_without_requesting_gnulib_module_ioctl
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53 #elif defined GNULIB_POSIXCHECK
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54 # undef ioctl
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55 # define ioctl(f,c,a) \
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56 (GL_LINK_WARNING ("ioctl does not portably work on sockets - " \
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57 "use gnulib module ioctl for portability"), \
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58 ioctl (f, c, a))
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59 #endif
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60
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61
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62 #ifdef __cplusplus
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63 }
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64 #endif
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65
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66
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67 #endif /* _GL_SYS_IOCTL_H */
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68 #endif /* _GL_SYS_IOCTL_H */