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diff --git a/i686-linux-gnu-4.7/usr/include/x86_64-linux-gnu/sys/uio.h b/i686-linux-gnu-4.7/usr/include/x86_64-linux-gnu/sys/uio.h
new file mode 100644
index 0000000..ff586c7
--- /dev/null
+++ b/i686-linux-gnu-4.7/usr/include/x86_64-linux-gnu/sys/uio.h
@@ -0,0 +1,171 @@
+/* Copyright (C) 1991-2018 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#ifndef _SYS_UIO_H
+#define _SYS_UIO_H	1
+
+#include <features.h>
+#include <sys/types.h>
+#include <bits/types/struct_iovec.h>
+#include <bits/uio_lim.h>
+#ifdef __IOV_MAX
+# define UIO_MAXIOV __IOV_MAX
+#else
+# undef UIO_MAXIOV
+#endif
+
+__BEGIN_DECLS
+
+/* Read data from file descriptor FD, and put the result in the
+   buffers described by IOVEC, which is a vector of COUNT 'struct iovec's.
+   The buffers are filled in the order specified.
+   Operates just like 'read' (see <unistd.h>) except that data are
+   put in IOVEC instead of a contiguous buffer.
+
+   This function is a cancellation point and therefore not marked with
+   __THROW.  */
+extern ssize_t readv (int __fd, const struct iovec *__iovec, int __count)
+  __wur;
+
+/* Write data pointed by the buffers described by IOVEC, which
+   is a vector of COUNT 'struct iovec's, to file descriptor FD.
+   The data is written in the order specified.
+   Operates just like 'write' (see <unistd.h>) except that the data
+   are taken from IOVEC instead of a contiguous buffer.
+
+   This function is a cancellation point and therefore not marked with
+   __THROW.  */
+extern ssize_t writev (int __fd, const struct iovec *__iovec, int __count)
+  __wur;
+
+
+#ifdef __USE_MISC
+# ifndef __USE_FILE_OFFSET64
+/* Read data from file descriptor FD at the given position OFFSET
+   without change the file pointer, and put the result in the buffers
+   described by IOVEC, which is a vector of COUNT 'struct iovec's.
+   The buffers are filled in the order specified.  Operates just like
+   'pread' (see <unistd.h>) except that data are put in IOVEC instead
+   of a contiguous buffer.
+
+   This function is a cancellation point and therefore not marked with
+   __THROW.  */
+extern ssize_t preadv (int __fd, const struct iovec *__iovec, int __count,
+		       __off_t __offset) __wur;
+
+/* Write data pointed by the buffers described by IOVEC, which is a
+   vector of COUNT 'struct iovec's, to file descriptor FD at the given
+   position OFFSET without change the file pointer.  The data is
+   written in the order specified.  Operates just like 'pwrite' (see
+   <unistd.h>) except that the data are taken from IOVEC instead of a
+   contiguous buffer.
+
+   This function is a cancellation point and therefore not marked with
+   __THROW.  */
+extern ssize_t pwritev (int __fd, const struct iovec *__iovec, int __count,
+			__off_t __offset) __wur;
+
+# else
+#  ifdef __REDIRECT
+extern ssize_t __REDIRECT (preadv, (int __fd, const struct iovec *__iovec,
+				    int __count, __off64_t __offset),
+			   preadv64) __wur;
+extern ssize_t __REDIRECT (pwritev, (int __fd, const struct iovec *__iovec,
+				     int __count, __off64_t __offset),
+			   pwritev64) __wur;
+#  else
+#   define preadv preadv64
+#   define pwritev pwritev64
+#  endif
+# endif
+
+# ifdef __USE_LARGEFILE64
+/* Read data from file descriptor FD at the given position OFFSET
+   without change the file pointer, and put the result in the buffers
+   described by IOVEC, which is a vector of COUNT 'struct iovec's.
+   The buffers are filled in the order specified.  Operates just like
+   'pread' (see <unistd.h>) except that data are put in IOVEC instead
+   of a contiguous buffer.
+
+   This function is a cancellation point and therefore not marked with
+   __THROW.  */
+extern ssize_t preadv64 (int __fd, const struct iovec *__iovec, int __count,
+			 __off64_t __offset) __wur;
+
+/* Write data pointed by the buffers described by IOVEC, which is a
+   vector of COUNT 'struct iovec's, to file descriptor FD at the given
+   position OFFSET without change the file pointer.  The data is
+   written in the order specified.  Operates just like 'pwrite' (see
+   <unistd.h>) except that the data are taken from IOVEC instead of a
+   contiguous buffer.
+
+   This function is a cancellation point and therefore not marked with
+   __THROW.  */
+extern ssize_t pwritev64 (int __fd, const struct iovec *__iovec, int __count,
+			  __off64_t __offset) __wur;
+# endif
+#endif	/* Use misc.  */
+
+
+#ifdef __USE_GNU
+# ifndef __USE_FILE_OFFSET64
+/* Same as preadv but with an additional flag argumenti defined at uio.h.  */
+extern ssize_t preadv2 (int __fp, const struct iovec *__iovec, int __count,
+			__off_t __offset, int ___flags) __wur;
+
+/* Same as preadv but with an additional flag argument defined at uio.h.  */
+extern ssize_t pwritev2 (int __fd, const struct iovec *__iodev, int __count,
+			 __off_t __offset, int __flags) __wur;
+
+# else
+#  ifdef __REDIRECT
+extern ssize_t __REDIRECT (pwritev2, (int __fd, const struct iovec *__iovec,
+				      int __count, __off64_t __offset,
+				      int __flags),
+			   pwritev64v2) __wur;
+extern ssize_t __REDIRECT (preadv2, (int __fd, const struct iovec *__iovec,
+				     int __count, __off64_t __offset,
+				     int __flags),
+			   preadv64v2) __wur;
+#  else
+#   define preadv2 preadv64v2
+#   define pwritev2 pwritev64v2
+#  endif
+# endif
+
+# ifdef __USE_LARGEFILE64
+/* Same as preadv but with an additional flag argumenti defined at uio.h.  */
+extern ssize_t preadv64v2 (int __fp, const struct iovec *__iovec,
+			   int __count, __off64_t __offset,
+			   int ___flags) __wur;
+
+/* Same as preadv but with an additional flag argument defined at uio.h.  */
+extern ssize_t pwritev64v2 (int __fd, const struct iovec *__iodev,
+			    int __count, __off64_t __offset,
+			    int __flags) __wur;
+# endif
+#endif /* Use GNU.  */
+
+__END_DECLS
+
+/* Some operating systems provide system-specific extensions to this
+   header.  */
+#ifdef __USE_GNU
+# include <bits/uio-ext.h>
+#endif
+
+#endif /* sys/uio.h */