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diff --git a/i686-linux-gnu-4.7/usr/include/x86_64-linux-gnu/sys/socket.h b/i686-linux-gnu-4.7/usr/include/x86_64-linux-gnu/sys/socket.h
new file mode 100644
index 0000000..4a9c016
--- /dev/null
+++ b/i686-linux-gnu-4.7/usr/include/x86_64-linux-gnu/sys/socket.h
@@ -0,0 +1,274 @@
+/* Declarations of socket constants, types, and functions.
+   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_SOCKET_H
+#define	_SYS_SOCKET_H	1
+
+#include <features.h>
+
+__BEGIN_DECLS
+
+#include <bits/types/struct_iovec.h>
+#define	__need_size_t
+#include <stddef.h>
+
+/* This operating system-specific header file defines the SOCK_*, PF_*,
+   AF_*, MSG_*, SOL_*, and SO_* constants, and the `struct sockaddr',
+   `struct msghdr', and `struct linger' types.  */
+#include <bits/socket.h>
+
+#ifdef __USE_MISC
+# include <bits/types/struct_osockaddr.h>
+#endif
+
+/* The following constants should be used for the second parameter of
+   `shutdown'.  */
+enum
+{
+  SHUT_RD = 0,		/* No more receptions.  */
+#define SHUT_RD		SHUT_RD
+  SHUT_WR,		/* No more transmissions.  */
+#define SHUT_WR		SHUT_WR
+  SHUT_RDWR		/* No more receptions or transmissions.  */
+#define SHUT_RDWR	SHUT_RDWR
+};
+
+/* This is the type we use for generic socket address arguments.
+
+   With GCC 2.7 and later, the funky union causes redeclarations or
+   uses with any of the listed types to be allowed without complaint.
+   G++ 2.7 does not support transparent unions so there we want the
+   old-style declaration, too.  */
+#if defined __cplusplus || !__GNUC_PREREQ (2, 7) || !defined __USE_GNU
+# define __SOCKADDR_ARG		struct sockaddr *__restrict
+# define __CONST_SOCKADDR_ARG	const struct sockaddr *
+#else
+/* Add more `struct sockaddr_AF' types here as necessary.
+   These are all the ones I found on NetBSD and Linux.  */
+# define __SOCKADDR_ALLTYPES \
+  __SOCKADDR_ONETYPE (sockaddr) \
+  __SOCKADDR_ONETYPE (sockaddr_at) \
+  __SOCKADDR_ONETYPE (sockaddr_ax25) \
+  __SOCKADDR_ONETYPE (sockaddr_dl) \
+  __SOCKADDR_ONETYPE (sockaddr_eon) \
+  __SOCKADDR_ONETYPE (sockaddr_in) \
+  __SOCKADDR_ONETYPE (sockaddr_in6) \
+  __SOCKADDR_ONETYPE (sockaddr_inarp) \
+  __SOCKADDR_ONETYPE (sockaddr_ipx) \
+  __SOCKADDR_ONETYPE (sockaddr_iso) \
+  __SOCKADDR_ONETYPE (sockaddr_ns) \
+  __SOCKADDR_ONETYPE (sockaddr_un) \
+  __SOCKADDR_ONETYPE (sockaddr_x25)
+
+# define __SOCKADDR_ONETYPE(type) struct type *__restrict __##type##__;
+typedef union { __SOCKADDR_ALLTYPES
+	      } __SOCKADDR_ARG __attribute__ ((__transparent_union__));
+# undef __SOCKADDR_ONETYPE
+# define __SOCKADDR_ONETYPE(type) const struct type *__restrict __##type##__;
+typedef union { __SOCKADDR_ALLTYPES
+	      } __CONST_SOCKADDR_ARG __attribute__ ((__transparent_union__));
+# undef __SOCKADDR_ONETYPE
+#endif
+
+#ifdef __USE_GNU
+/* For `recvmmsg' and `sendmmsg'.  */
+struct mmsghdr
+  {
+    struct msghdr msg_hdr;	/* Actual message header.  */
+    unsigned int msg_len;	/* Number of received or sent bytes for the
+				   entry.  */
+  };
+#endif
+
+
+/* Create a new socket of type TYPE in domain DOMAIN, using
+   protocol PROTOCOL.  If PROTOCOL is zero, one is chosen automatically.
+   Returns a file descriptor for the new socket, or -1 for errors.  */
+extern int socket (int __domain, int __type, int __protocol) __THROW;
+
+/* Create two new sockets, of type TYPE in domain DOMAIN and using
+   protocol PROTOCOL, which are connected to each other, and put file
+   descriptors for them in FDS[0] and FDS[1].  If PROTOCOL is zero,
+   one will be chosen automatically.  Returns 0 on success, -1 for errors.  */
+extern int socketpair (int __domain, int __type, int __protocol,
+		       int __fds[2]) __THROW;
+
+/* Give the socket FD the local address ADDR (which is LEN bytes long).  */
+extern int bind (int __fd, __CONST_SOCKADDR_ARG __addr, socklen_t __len)
+     __THROW;
+
+/* Put the local address of FD into *ADDR and its length in *LEN.  */
+extern int getsockname (int __fd, __SOCKADDR_ARG __addr,
+			socklen_t *__restrict __len) __THROW;
+
+/* Open a connection on socket FD to peer at ADDR (which LEN bytes long).
+   For connectionless socket types, just set the default address to send to
+   and the only address from which to accept transmissions.
+   Return 0 on success, -1 for errors.
+
+   This function is a cancellation point and therefore not marked with
+   __THROW.  */
+extern int connect (int __fd, __CONST_SOCKADDR_ARG __addr, socklen_t __len);
+
+/* Put the address of the peer connected to socket FD into *ADDR
+   (which is *LEN bytes long), and its actual length into *LEN.  */
+extern int getpeername (int __fd, __SOCKADDR_ARG __addr,
+			socklen_t *__restrict __len) __THROW;
+
+
+/* Send N bytes of BUF to socket FD.  Returns the number sent or -1.
+
+   This function is a cancellation point and therefore not marked with
+   __THROW.  */
+extern ssize_t send (int __fd, const void *__buf, size_t __n, int __flags);
+
+/* Read N bytes into BUF from socket FD.
+   Returns the number read or -1 for errors.
+
+   This function is a cancellation point and therefore not marked with
+   __THROW.  */
+extern ssize_t recv (int __fd, void *__buf, size_t __n, int __flags);
+
+/* Send N bytes of BUF on socket FD to peer at address ADDR (which is
+   ADDR_LEN bytes long).  Returns the number sent, or -1 for errors.
+
+   This function is a cancellation point and therefore not marked with
+   __THROW.  */
+extern ssize_t sendto (int __fd, const void *__buf, size_t __n,
+		       int __flags, __CONST_SOCKADDR_ARG __addr,
+		       socklen_t __addr_len);
+
+/* Read N bytes into BUF through socket FD.
+   If ADDR is not NULL, fill in *ADDR_LEN bytes of it with tha address of
+   the sender, and store the actual size of the address in *ADDR_LEN.
+   Returns the number of bytes read or -1 for errors.
+
+   This function is a cancellation point and therefore not marked with
+   __THROW.  */
+extern ssize_t recvfrom (int __fd, void *__restrict __buf, size_t __n,
+			 int __flags, __SOCKADDR_ARG __addr,
+			 socklen_t *__restrict __addr_len);
+
+
+/* Send a message described MESSAGE on socket FD.
+   Returns the number of bytes sent, or -1 for errors.
+
+   This function is a cancellation point and therefore not marked with
+   __THROW.  */
+extern ssize_t sendmsg (int __fd, const struct msghdr *__message,
+			int __flags);
+
+#ifdef __USE_GNU
+/* Send a VLEN messages as described by VMESSAGES to socket FD.
+   Returns the number of datagrams successfully written or -1 for errors.
+
+   This function is a cancellation point and therefore not marked with
+   __THROW.  */
+extern int sendmmsg (int __fd, struct mmsghdr *__vmessages,
+		     unsigned int __vlen, int __flags);
+#endif
+
+/* Receive a message as described by MESSAGE from socket FD.
+   Returns the number of bytes read or -1 for errors.
+
+   This function is a cancellation point and therefore not marked with
+   __THROW.  */
+extern ssize_t recvmsg (int __fd, struct msghdr *__message, int __flags);
+
+#ifdef __USE_GNU
+/* Receive up to VLEN messages as described by VMESSAGES from socket FD.
+   Returns the number of messages received or -1 for errors.
+
+   This function is a cancellation point and therefore not marked with
+   __THROW.  */
+extern int recvmmsg (int __fd, struct mmsghdr *__vmessages,
+		     unsigned int __vlen, int __flags,
+		     struct timespec *__tmo);
+#endif
+
+
+/* Put the current value for socket FD's option OPTNAME at protocol level LEVEL
+   into OPTVAL (which is *OPTLEN bytes long), and set *OPTLEN to the value's
+   actual length.  Returns 0 on success, -1 for errors.  */
+extern int getsockopt (int __fd, int __level, int __optname,
+		       void *__restrict __optval,
+		       socklen_t *__restrict __optlen) __THROW;
+
+/* Set socket FD's option OPTNAME at protocol level LEVEL
+   to *OPTVAL (which is OPTLEN bytes long).
+   Returns 0 on success, -1 for errors.  */
+extern int setsockopt (int __fd, int __level, int __optname,
+		       const void *__optval, socklen_t __optlen) __THROW;
+
+
+/* Prepare to accept connections on socket FD.
+   N connection requests will be queued before further requests are refused.
+   Returns 0 on success, -1 for errors.  */
+extern int listen (int __fd, int __n) __THROW;
+
+/* Await a connection on socket FD.
+   When a connection arrives, open a new socket to communicate with it,
+   set *ADDR (which is *ADDR_LEN bytes long) to the address of the connecting
+   peer and *ADDR_LEN to the address's actual length, and return the
+   new socket's descriptor, or -1 for errors.
+
+   This function is a cancellation point and therefore not marked with
+   __THROW.  */
+extern int accept (int __fd, __SOCKADDR_ARG __addr,
+		   socklen_t *__restrict __addr_len);
+
+#ifdef __USE_GNU
+/* Similar to 'accept' but takes an additional parameter to specify flags.
+
+   This function is a cancellation point and therefore not marked with
+   __THROW.  */
+extern int accept4 (int __fd, __SOCKADDR_ARG __addr,
+		    socklen_t *__restrict __addr_len, int __flags);
+#endif
+
+/* Shut down all or part of the connection open on socket FD.
+   HOW determines what to shut down:
+     SHUT_RD   = No more receptions;
+     SHUT_WR   = No more transmissions;
+     SHUT_RDWR = No more receptions or transmissions.
+   Returns 0 on success, -1 for errors.  */
+extern int shutdown (int __fd, int __how) __THROW;
+
+
+#ifdef __USE_XOPEN2K
+/* Determine wheter socket is at a out-of-band mark.  */
+extern int sockatmark (int __fd) __THROW;
+#endif
+
+
+#ifdef __USE_MISC
+/* FDTYPE is S_IFSOCK or another S_IF* macro defined in <sys/stat.h>;
+   returns 1 if FD is open on an object of the indicated type, 0 if not,
+   or -1 for errors (setting errno).  */
+extern int isfdtype (int __fd, int __fdtype) __THROW;
+#endif
+
+
+/* Define some macros helping to catch buffer overflows.  */
+#if __USE_FORTIFY_LEVEL > 0 && defined __fortify_function
+# include <bits/socket2.h>
+#endif
+
+__END_DECLS
+
+#endif /* sys/socket.h */