maint: use pragma consistently across replacement headers Several headers set #pragma GCC system_header prior to checking any multiple inclusion guards; maintenance is easiest if all replacement headers follow the same paradigm. * lib/ctype.in.h (system_header): Hoist for consistent placement. * lib/dirent.in.h (system_header): Likewise. * lib/errno.in.h (system_header): Likewise. * lib/float.in.h (system_header): Likewise. * lib/getopt.in.h (system_header): Likewise. * lib/iconv.in.h (system_header): Likewise. * lib/inttypes.in.h (system_header): Likewise. * lib/langinfo.in.h (system_header): Likewise. * lib/locale.in.h (system_header): Likewise. * lib/math.in.h (system_header): Likewise. * lib/netdb.in.h (system_header): Likewise. * lib/netinet_in.in.h (system_header): Likewise. * lib/pty.in.h (system_header): Likewise. * lib/sched.in.h (system_header): Likewise. * lib/se-selinux.in.h (system_header): Likewise. * lib/search.in.h (system_header): Likewise. * lib/spawn.in.h (system_header): Likewise. * lib/stdarg.in.h (system_header): Likewise. * lib/stdint.in.h (system_header): Likewise. * lib/string.in.h (system_header): Likewise. * lib/strings.in.h (system_header): Likewise. * lib/sys_file.in.h (system_header): Likewise. * lib/sys_ioctl.in.h (system_header): Likewise. * lib/sys_socket.in.h (system_header): Likewise. * lib/sys_times.in.h (system_header): Likewise. * lib/sys_utsname.in.h (system_header): Likewise. * lib/sys_wait.in.h (system_header): Likewise. * lib/sysexits.in.h (system_header): Likewise. * lib/unistd.in.h (system_header): Likewise. * lib/wctype.in.h (system_header): Likewise. Signed-off-by: Eric Blake <eblake@redhat.com>

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−/* Substitute for and wrapper around <stdarg.h>.
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−   Copyright (C) 2008, 2009, 2010 Free Software Foundation, Inc.
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−
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−   This program is free software; you can redistribute it and/or modify
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−   it under the terms of the GNU General Public License as published by
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−   the Free Software Foundation; either version 2, or (at your option)
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−   any later version.
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−
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−   This program 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
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−   GNU General Public License for more details.
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−
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−   You should have received a copy of the GNU General Public License
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−   along with this program; if not, write to the Free Software Foundation,
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−   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
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−
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−#if __GNUC__ >= 3
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−@PRAGMA_SYSTEM_HEADER@
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−#endif
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−
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−#ifndef _GL_STDARG_H
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−
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−/* The include_next requires a split double-inclusion guard.  */
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−#@INCLUDE_NEXT@ @NEXT_STDARG_H@
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−
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−#ifndef _GL_STDARG_H
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−#define _GL_STDARG_H
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−
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−#ifndef va_copy
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−# define va_copy(a,b) ((a) = (b))
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−#endif
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−
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−#endif /* _GL_STDARG_H */
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−#endif /* _GL_STDARG_H */