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diff --git a/i686-linux-gnu-4.7/usr/include/x86_64-linux-gnu/sys/mman.h b/i686-linux-gnu-4.7/usr/include/x86_64-linux-gnu/sys/mman.h
new file mode 100644
index 0000000..12e1b06
--- /dev/null
+++ b/i686-linux-gnu-4.7/usr/include/x86_64-linux-gnu/sys/mman.h
@@ -0,0 +1,151 @@
+/* Definitions for BSD-style memory management.
+ Copyright (C) 1994-2018 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
+ . */
+
+#ifndef _SYS_MMAN_H
+#define _SYS_MMAN_H 1
+
+#include
+#include
+#define __need_size_t
+#include
+
+#ifndef __off_t_defined
+# ifndef __USE_FILE_OFFSET64
+typedef __off_t off_t;
+# else
+typedef __off64_t off_t;
+# endif
+# define __off_t_defined
+#endif
+
+#ifndef __mode_t_defined
+typedef __mode_t mode_t;
+# define __mode_t_defined
+#endif
+
+#include
+
+/* Return value of `mmap' in case of an error. */
+#define MAP_FAILED ((void *) -1)
+
+__BEGIN_DECLS
+/* Map addresses starting near ADDR and extending for LEN bytes. from
+ OFFSET into the file FD describes according to PROT and FLAGS. If ADDR
+ is nonzero, it is the desired mapping address. If the MAP_FIXED bit is
+ set in FLAGS, the mapping will be at ADDR exactly (which must be
+ page-aligned); otherwise the system chooses a convenient nearby address.
+ The return value is the actual mapping address chosen or MAP_FAILED
+ for errors (in which case `errno' is set). A successful `mmap' call
+ deallocates any previous mapping for the affected region. */
+
+#ifndef __USE_FILE_OFFSET64
+extern void *mmap (void *__addr, size_t __len, int __prot,
+ int __flags, int __fd, __off_t __offset) __THROW;
+#else
+# ifdef __REDIRECT_NTH
+extern void * __REDIRECT_NTH (mmap,
+ (void *__addr, size_t __len, int __prot,
+ int __flags, int __fd, __off64_t __offset),
+ mmap64);
+# else
+# define mmap mmap64
+# endif
+#endif
+#ifdef __USE_LARGEFILE64
+extern void *mmap64 (void *__addr, size_t __len, int __prot,
+ int __flags, int __fd, __off64_t __offset) __THROW;
+#endif
+
+/* Deallocate any mapping for the region starting at ADDR and extending LEN
+ bytes. Returns 0 if successful, -1 for errors (and sets errno). */
+extern int munmap (void *__addr, size_t __len) __THROW;
+
+/* Change the memory protection of the region starting at ADDR and
+ extending LEN bytes to PROT. Returns 0 if successful, -1 for errors
+ (and sets errno). */
+extern int mprotect (void *__addr, size_t __len, int __prot) __THROW;
+
+/* Synchronize the region starting at ADDR and extending LEN bytes with the
+ file it maps. Filesystem operations on a file being mapped are
+ unpredictable before this is done. Flags are from the MS_* set.
+
+ This function is a cancellation point and therefore not marked with
+ __THROW. */
+extern int msync (void *__addr, size_t __len, int __flags);
+
+#ifdef __USE_MISC
+/* Advise the system about particular usage patterns the program follows
+ for the region starting at ADDR and extending LEN bytes. */
+extern int madvise (void *__addr, size_t __len, int __advice) __THROW;
+#endif
+#ifdef __USE_XOPEN2K
+/* This is the POSIX name for this function. */
+extern int posix_madvise (void *__addr, size_t __len, int __advice) __THROW;
+#endif
+
+/* Guarantee all whole pages mapped by the range [ADDR,ADDR+LEN) to
+ be memory resident. */
+extern int mlock (const void *__addr, size_t __len) __THROW;
+
+/* Unlock whole pages previously mapped by the range [ADDR,ADDR+LEN). */
+extern int munlock (const void *__addr, size_t __len) __THROW;
+
+/* Cause all currently mapped pages of the process to be memory resident
+ until unlocked by a call to the `munlockall', until the process exits,
+ or until the process calls `execve'. */
+extern int mlockall (int __flags) __THROW;
+
+/* All currently mapped pages of the process' address space become
+ unlocked. */
+extern int munlockall (void) __THROW;
+
+#ifdef __USE_MISC
+/* mincore returns the memory residency status of the pages in the
+ current process's address space specified by [start, start + len).
+ The status is returned in a vector of bytes. The least significant
+ bit of each byte is 1 if the referenced page is in memory, otherwise
+ it is zero. */
+extern int mincore (void *__start, size_t __len, unsigned char *__vec)
+ __THROW;
+#endif
+
+#ifdef __USE_GNU
+/* Remap pages mapped by the range [ADDR,ADDR+OLD_LEN) to new length
+ NEW_LEN. If MREMAP_MAYMOVE is set in FLAGS the returned address
+ may differ from ADDR. If MREMAP_FIXED is set in FLAGS the function
+ takes another parameter which is a fixed address at which the block
+ resides after a successful call. */
+extern void *mremap (void *__addr, size_t __old_len, size_t __new_len,
+ int __flags, ...) __THROW;
+
+/* Remap arbitrary pages of a shared backing store within an existing
+ VMA. */
+extern int remap_file_pages (void *__start, size_t __size, int __prot,
+ size_t __pgoff, int __flags) __THROW;
+#endif
+
+
+/* Open shared memory segment. */
+extern int shm_open (const char *__name, int __oflag, mode_t __mode);
+
+/* Remove shared memory segment. */
+extern int shm_unlink (const char *__name);
+
+__END_DECLS
+
+#endif /* sys/mman.h */