diff --git a/sysdeps/unix/sysv/linux/aarch64/sysdep.h b/sysdeps/unix/sysv/linux/aarch64/sysdep.h
index ad49241..ea38588 100644
--- a/sysdeps/unix/sysv/linux/aarch64/sysdep.h
+++ b/sysdeps/unix/sysv/linux/aarch64/sysdep.h
@@ -157,6 +157,10 @@
 # define HAVE_CLOCK_GETTIME_VSYSCALL	1
 # define HAVE_GETTIMEOFDAY_VSYSCALL	1
 
+/* Previously AArch64 used the generic version withouth the libc_hidden_def
+   which lead in a non existent __send symbol in libc.so.  */
+# undef HAVE_INTERNAL_SEND_SYMBOl
+
 /* Define a macro which expands into the inline wrapper code for a system
    call.  */
 # undef INLINE_SYSCALL
diff --git a/sysdeps/unix/sysv/linux/alpha/kernel-features.h b/sysdeps/unix/sysv/linux/alpha/kernel-features.h
index 3383a98..53f7611 100644
--- a/sysdeps/unix/sysv/linux/alpha/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/alpha/kernel-features.h
@@ -33,5 +33,6 @@
 #define __NR_shmat __NR_osf_shmat
 
 #define __ASSUME_RECV_SYSCALL	1
+#define __ASSUME_SEND_SYSCALL	1
 
 #endif /* _KERNEL_FEATURES_H */
diff --git a/sysdeps/unix/sysv/linux/alpha/syscalls.list b/sysdeps/unix/sysv/linux/alpha/syscalls.list
index 8a62b6e..aa21b10 100644
--- a/sysdeps/unix/sysv/linux/alpha/syscalls.list
+++ b/sysdeps/unix/sysv/linux/alpha/syscalls.list
@@ -10,8 +10,6 @@ getpeername	-	getpeername	i:ipp	__getpeername	getpeername
 getsockname	-	getsockname	i:ipp	__getsockname	getsockname
 getsockopt	-	getsockopt	i:iiiBN	__getsockopt	getsockopt
 listen		-	listen		i:ii	__listen	listen
-send		-	send		Ci:ibni	__libc_send	__send send
-sendto		-	sendto		Ci:ibnibn	__libc_sendto	__sendto sendto
 setsockopt	-	setsockopt	i:iiibn	__setsockopt	setsockopt
 shutdown	-	shutdown	i:ii	__shutdown	shutdown
 socket		-	socket		i:iii	__socket	socket
diff --git a/sysdeps/unix/sysv/linux/arm/kernel-features.h b/sysdeps/unix/sysv/linux/arm/kernel-features.h
index 104c9f9..4923dfd 100644
--- a/sysdeps/unix/sysv/linux/arm/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/arm/kernel-features.h
@@ -39,3 +39,4 @@
 #define __NR_fadvise64_64 __NR_arm_fadvise64_64
 
 #define __ASSUME_RECV_SYSCALL   1
+#define __ASSUME_SEND_SYSCALL	1
diff --git a/sysdeps/unix/sysv/linux/arm/syscalls.list b/sysdeps/unix/sysv/linux/arm/syscalls.list
index 9f445e6..13441f7 100644
--- a/sysdeps/unix/sysv/linux/arm/syscalls.list
+++ b/sysdeps/unix/sysv/linux/arm/syscalls.list
@@ -27,8 +27,6 @@ getpeername	-	getpeername	i:ipp	__getpeername	getpeername
 getsockname	-	getsockname	i:ipp	__getsockname	getsockname
 getsockopt	-	getsockopt	i:iiiBN	__getsockopt	getsockopt
 listen		-	listen		i:ii	__listen	listen
-send		-	send		Ci:ibni	__libc_send	__send send
-sendto		-	sendto		Ci:ibnibn	__libc_sendto	__sendto sendto
 setsockopt	-	setsockopt	i:iiibn	__setsockopt	setsockopt
 shutdown	-	shutdown	i:ii	__shutdown	shutdown
 socket		-	socket		i:iii	__socket	socket
diff --git a/sysdeps/unix/sysv/linux/generic/send.c b/sysdeps/unix/sysv/linux/generic/send.c
deleted file mode 100644
index d0cb035..0000000
--- a/sysdeps/unix/sysv/linux/generic/send.c
+++ /dev/null
@@ -1,30 +0,0 @@
-/* Copyright (C) 2011-2017 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
-
-   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/>.  */
-
-#include <stdlib.h>
-#include <sys/types.h>
-#include <sysdep-cancel.h>
-#include <libc-symbols.h>
-
-ssize_t
-__libc_send (int sockfd, const void *buffer, size_t len, int flags)
-{
-  return SYSCALL_CANCEL (sendto, sockfd, buffer, len, flags, NULL, 0);
-}
-strong_alias (__libc_send, __send)
-weak_alias (__libc_send, send)
diff --git a/sysdeps/unix/sysv/linux/generic/syscalls.list b/sysdeps/unix/sysv/linux/generic/syscalls.list
index c16ee52..ed8b216 100644
--- a/sysdeps/unix/sysv/linux/generic/syscalls.list
+++ b/sysdeps/unix/sysv/linux/generic/syscalls.list
@@ -7,7 +7,6 @@ bind		-	bind		i:ipi	__bind		bind
 listen		-	listen		i:ii	__listen	listen
 getsockname	-	getsockname	i:ipp	__getsockname	getsockname
 getpeername	-	getpeername	i:ipp	__getpeername	getpeername
-sendto		-	sendto		Ci:ibnibn	__libc_sendto	__sendto sendto
 setsockopt	-	setsockopt	i:iiibn	__setsockopt	setsockopt
 getsockopt	-	getsockopt	i:iiiBN	__getsockopt	getsockopt
 shutdown	-	shutdown	i:ii	__shutdown	shutdown
diff --git a/sysdeps/unix/sysv/linux/hppa/kernel-features.h b/sysdeps/unix/sysv/linux/hppa/kernel-features.h
index 1fd7398..0e73a5c 100644
--- a/sysdeps/unix/sysv/linux/hppa/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/hppa/kernel-features.h
@@ -26,3 +26,4 @@
 #include_next <kernel-features.h>
 
 #define __ASSUME_RECV_SYSCALL   1
+#define __ASSUME_SEND_SYSCALL	1
diff --git a/sysdeps/unix/sysv/linux/hppa/syscalls.list b/sysdeps/unix/sysv/linux/hppa/syscalls.list
index 1248877..cd37573 100644
--- a/sysdeps/unix/sysv/linux/hppa/syscalls.list
+++ b/sysdeps/unix/sysv/linux/hppa/syscalls.list
@@ -6,8 +6,6 @@ getpeername	-	getpeername	i:ipp	__getpeername	getpeername
 getsockname	-	getsockname	i:ipp	__getsockname	getsockname
 getsockopt	-	getsockopt	i:iiiBN	__getsockopt	getsockopt
 listen		-	listen		i:ii	__listen	listen
-send		-	send		Ci:ibni	__libc_send	__send send
-sendto		-	sendto		Ci:ibnibn	__libc_sendto	__sendto sendto
 setsockopt	-	setsockopt	i:iiibn	__setsockopt	setsockopt
 shutdown	-	shutdown	i:ii	__shutdown	shutdown
 socket		-	socket		i:iii	__socket	socket
diff --git a/sysdeps/unix/sysv/linux/i386/kernel-features.h b/sysdeps/unix/sysv/linux/i386/kernel-features.h
index a886442..96a8e3b 100644
--- a/sysdeps/unix/sysv/linux/i386/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/i386/kernel-features.h
@@ -36,8 +36,6 @@
 # define __ASSUME_SETSOCKOPT_SYSCALL         1
 # define __ASSUME_GETSOCKNAME_SYSCALL        1
 # define __ASSUME_GETPEERNAME_SYSCALL        1
-# define __ASSUME_SENDTO_SYSCALL             1
-# define __ASSUME_SENDTO_FOR_SEND_SYSCALL    1
 # define __ASSUME_SHUTDOWN_SYSCALL           1
 #endif
 
@@ -51,6 +49,7 @@
 # undef __ASSUME_RECVMSG_SYSCALL
 # undef __ASSUME_CONNECT_SYSCALL
 # undef __ASSUME_RECVFROM_SYSCALL
+# undef __ASSUME_SENDTO_SYSCALL
 #endif
 
 /* i686 only supports ipc syscall.  */
diff --git a/sysdeps/unix/sysv/linux/ia64/kernel-features.h b/sysdeps/unix/sysv/linux/ia64/kernel-features.h
index 80e41b6..ac9403e 100644
--- a/sysdeps/unix/sysv/linux/ia64/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/ia64/kernel-features.h
@@ -29,5 +29,6 @@
 #endif
 
 #define __ASSUME_RECV_SYSCALL   	1
+#define __ASSUME_SEND_SYSCALL		1
 
 #endif /* _KERNEL_FEATURES_H */
diff --git a/sysdeps/unix/sysv/linux/ia64/syscalls.list b/sysdeps/unix/sysv/linux/ia64/syscalls.list
index 24e9c98..56f4138 100644
--- a/sysdeps/unix/sysv/linux/ia64/syscalls.list
+++ b/sysdeps/unix/sysv/linux/ia64/syscalls.list
@@ -10,8 +10,6 @@ getpeername	-	getpeername	i:ipp	__getpeername	getpeername
 getsockname	-	getsockname	i:ipp	__getsockname	getsockname
 getsockopt	-	getsockopt	i:iiiBN	__getsockopt	getsockopt
 listen		-	listen		i:ii	__listen	listen
-send		-	send		Ci:ibni	__libc_send	__send send
-sendto		-	sendto		Ci:ibnibn	__libc_sendto	__sendto sendto
 setsockopt	-	setsockopt	i:iiibn	__setsockopt	setsockopt
 shutdown	-	shutdown	i:ii	__shutdown	shutdown
 socket		-	socket		i:iii	__socket	socket
diff --git a/sysdeps/unix/sysv/linux/kernel-features.h b/sysdeps/unix/sysv/linux/kernel-features.h
index c6c816e..318fcf9 100644
--- a/sysdeps/unix/sysv/linux/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/kernel-features.h
@@ -150,6 +150,7 @@
 #define __ASSUME_ACCEPT_SYSCALL		1
 #define __ASSUME_CONNECT_SYSCALL	1
 #define __ASSUME_RECVFROM_SYSCALL	1
+#define __ASSUME_SENDTO_SYSCALL		1
 
 /* Support for SysV IPC through wired syscalls.  All supported architectures
    either support ipc syscall and/or all the ipc correspondent syscalls.  */
diff --git a/sysdeps/unix/sysv/linux/m68k/kernel-features.h b/sysdeps/unix/sysv/linux/m68k/kernel-features.h
index 5e756ab..3bcd1c2 100644
--- a/sysdeps/unix/sysv/linux/m68k/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/m68k/kernel-features.h
@@ -30,8 +30,6 @@
 # define __ASSUME_SETSOCKOPT_SYSCALL         1
 # define __ASSUME_GETSOCKNAME_SYSCALL        1
 # define __ASSUME_GETPEERNAME_SYSCALL        1
-# define __ASSUME_SENDTO_SYSCALL             1
-# define __ASSUME_SENDTO_FOR_SEND_SYSCALL    1
 # define __ASSUME_SHUTDOWN_SYSCALL           1
 #endif
 
@@ -48,6 +46,7 @@
 # undef __ASSUME_RECVMSG_SYSCALL
 # undef __ASSUME_CONNECT_SYSCALL
 # undef __ASSUME_RECVFROM_SYSCALL
+# undef __ASSUME_SENDTO_SYSCALL
 #endif
 
 /* No support for PI futexes or robust mutexes before 3.10 for m68k.  */
diff --git a/sysdeps/unix/sysv/linux/mips/kernel-features.h b/sysdeps/unix/sysv/linux/mips/kernel-features.h
index 276d12f..cf21681 100644
--- a/sysdeps/unix/sysv/linux/mips/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/mips/kernel-features.h
@@ -36,6 +36,7 @@
 # undef __ASSUME_DIRECT_SYSVIPC_SYSCALLS
 /* mips32 support wire-up network syscalls.  */
 # define __ASSUME_RECV_SYSCALL		1
+# define __ASSUME_SEND_SYSCALL		1
 #endif
 
 /* Define that mips64-n32 is a ILP32 ABI to set the correct interface to
diff --git a/sysdeps/unix/sysv/linux/mips/mips64/send.c b/sysdeps/unix/sysv/linux/mips/mips64/send.c
deleted file mode 100644
index d2c2996..0000000
--- a/sysdeps/unix/sysv/linux/mips/mips64/send.c
+++ /dev/null
@@ -1 +0,0 @@
-#include <sysdeps/unix/sysv/linux/x86_64/send.c>
diff --git a/sysdeps/unix/sysv/linux/mips/syscalls.list b/sysdeps/unix/sysv/linux/mips/syscalls.list
index 48a33bb..f3621cd 100644
--- a/sysdeps/unix/sysv/linux/mips/syscalls.list
+++ b/sysdeps/unix/sysv/linux/mips/syscalls.list
@@ -17,8 +17,6 @@ getpeername	-	getpeername	i:ipp	__getpeername	getpeername
 getsockname	-	getsockname	i:ipp	__getsockname	getsockname
 getsockopt	-	getsockopt	i:iiiBN	__getsockopt	getsockopt
 listen		-	listen		i:ii	__listen	listen
-send		-	send		Ci:ibni	__libc_send	__send send
-sendto		-	sendto		Ci:ibnibn __libc_sendto	__sendto sendto
 setsockopt	-	setsockopt	i:iiibn	__setsockopt	setsockopt
 shutdown	-	shutdown	i:ii	__shutdown	shutdown
 socket		-	socket		i:iii	__socket	socket
diff --git a/sysdeps/unix/sysv/linux/nios2/sysdep.h b/sysdeps/unix/sysv/linux/nios2/sysdep.h
index b1c04cd..7b3efb2 100644
--- a/sysdeps/unix/sysv/linux/nios2/sysdep.h
+++ b/sysdeps/unix/sysv/linux/nios2/sysdep.h
@@ -140,6 +140,10 @@
 /* In order to get __set_errno() definition in INLINE_SYSCALL.  */
 #include <errno.h>
 
+/* Previously AArch64 used the generic version withouth the libc_hidden_def
+   which lead in a non existent __send symbol in libc.so.  */
+# undef HAVE_INTERNAL_SEND_SYMBOl
+
 /* Define a macro which expands into the inline wrapper code for a system
    call.  */
 #undef INLINE_SYSCALL
diff --git a/sysdeps/unix/sysv/linux/s390/kernel-features.h b/sysdeps/unix/sysv/linux/s390/kernel-features.h
index 59bc434..f44d429 100644
--- a/sysdeps/unix/sysv/linux/s390/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/s390/kernel-features.h
@@ -30,8 +30,6 @@
 # define __ASSUME_SETSOCKOPT_SYSCALL         1
 # define __ASSUME_GETSOCKNAME_SYSCALL        1
 # define __ASSUME_GETPEERNAME_SYSCALL        1
-# define __ASSUME_SENDTO_SYSCALL             1
-# define __ASSUME_SENDTO_FOR_SEND_SYSCALL    1
 # define __ASSUME_SHUTDOWN_SYSCALL           1
 #endif
 
@@ -47,6 +45,7 @@
 # undef __ASSUME_RECVMSG_SYSCALL
 # undef __ASSUME_CONNECT_SYSCALL
 # undef __ASSUME_RECVFROM_SYSCALL
+# undef __ASSUME_SENDTO_SYSCALL
 #endif
 
 /* s390 only supports ipc syscall.  */
diff --git a/sysdeps/unix/sysv/linux/send.c b/sysdeps/unix/sysv/linux/send.c
index 4c02c8b..8a0ea67 100644
--- a/sysdeps/unix/sysv/linux/send.c
+++ b/sysdeps/unix/sysv/linux/send.c
@@ -15,21 +15,16 @@
    License along with the GNU C Library; if not, see
    <http://www.gnu.org/licenses/>.  */
 
-#include <errno.h>
-#include <signal.h>
 #include <sys/socket.h>
-
 #include <sysdep-cancel.h>
 #include <socketcall.h>
-#include <kernel-features.h>
-#include <sys/syscall.h>
 
 ssize_t
 __libc_send (int fd, const void *buf, size_t len, int flags)
 {
 #ifdef __ASSUME_SEND_SYSCALL
   return SYSCALL_CANCEL (send, fd, buf, len, flags);
-#elif defined __ASSUME_SENDTO_FOR_SEND_SYSCALL
+#elif defined __ASSUME_SENDTO_SYSCALL
   return SYSCALL_CANCEL (sendto, fd, buf, len, flags, NULL, 0);
 #else
   return SOCKETCALL_CANCEL (send, fd, buf, len, flags);
@@ -37,4 +32,6 @@ __libc_send (int fd, const void *buf, size_t len, int flags)
 }
 weak_alias (__libc_send, send)
 weak_alias (__libc_send, __send)
+#ifdef HAVE_INTERNAL_SEND_SYMBOl
 libc_hidden_def (__send)
+#endif
diff --git a/sysdeps/unix/sysv/linux/sendto.c b/sysdeps/unix/sysv/linux/sendto.c
index 2b9e1d7..be1bc6f 100644
--- a/sysdeps/unix/sysv/linux/sendto.c
+++ b/sysdeps/unix/sysv/linux/sendto.c
@@ -15,14 +15,9 @@
    License along with the GNU C Library; if not, see
    <http://www.gnu.org/licenses/>.  */
 
-#include <errno.h>
-#include <signal.h>
 #include <sys/socket.h>
-
 #include <sysdep-cancel.h>
 #include <socketcall.h>
-#include <kernel-features.h>
-#include <sys/syscall.h>
 
 ssize_t
 __libc_sendto (int fd, const void *buf, size_t len, int flags,
diff --git a/sysdeps/unix/sysv/linux/sh/kernel-features.h b/sysdeps/unix/sysv/linux/sh/kernel-features.h
index 61bdd45..72ec394 100644
--- a/sysdeps/unix/sysv/linux/sh/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/sh/kernel-features.h
@@ -32,7 +32,6 @@
 #define __ASSUME_GETPEERNAME_SYSCALL	1
 #define __ASSUME_SOCKETPAIR_SYSCALL	1
 #define __ASSUME_SEND_SYSCALL		1
-#define __ASSUME_SENDTO_SYSCALL		1
 #define __ASSUME_SHUTDOWN_SYSCALL	1
 #define __ASSUME_GETSOCKOPT_SYSCALL	1
 #define __ASSUME_SETSOCKOPT_SYSCALL	1
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/syscalls.list b/sysdeps/unix/sysv/linux/sparc/sparc64/syscalls.list
index bf2cfdc..1e85118 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/syscalls.list
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/syscalls.list
@@ -7,8 +7,6 @@ getpeername	-	getpeername	3	__getpeername	getpeername
 getsockname	-	getsockname	3	__getsockname	getsockname
 getsockopt	-	getsockopt	5	__getsockopt	getsockopt
 listen		-	listen		2	__listen	listen
-send		-	send		C:4	__libc_send	__send send
-sendto		-	sendto		C:6	__libc_sendto	__sendto sendto
 setsockopt	-	setsockopt	5	__setsockopt	setsockopt
 shutdown	-	shutdown	2	__shutdown	shutdown
 socketpair	-	socketpair	4	__socketpair	socketpair
diff --git a/sysdeps/unix/sysv/linux/sysdep.h b/sysdeps/unix/sysv/linux/sysdep.h
index 02c957e..ed1c807 100644
--- a/sysdeps/unix/sysv/linux/sysdep.h
+++ b/sysdeps/unix/sysv/linux/sysdep.h
@@ -62,3 +62,7 @@
 #define LO_HI_LONG(val) \
  (long) (val), \
  (long) (((uint64_t) (val)) >> 32)
+
+/* Exports the __send symbol on send.c linux implementation (some ABI have
+   it missing due the usage of a old generic version without it).  */
+#define HAVE_INTERNAL_SEND_SYMBOl	1
diff --git a/sysdeps/unix/sysv/linux/tile/sysdep.h b/sysdeps/unix/sysv/linux/tile/sysdep.h
index 70ff6b9..f8cfe66 100644
--- a/sysdeps/unix/sysv/linux/tile/sysdep.h
+++ b/sysdeps/unix/sysv/linux/tile/sysdep.h
@@ -218,6 +218,10 @@
 #define HAVE_CLOCK_GETTIME_VSYSCALL	1
 #define HAVE_GETTIMEOFDAY_VSYSCALL	1
 
+/* Previously tile used the generic version withouth the libc_hidden_def
+   which lead in a non existent __send symbol in libc.so.  */
+# undef HAVE_INTERNAL_SEND_SYMBOl
+
 #endif /* __ASSEMBLER__  */
 
 /* Pointer mangling support.  */
diff --git a/sysdeps/unix/sysv/linux/x86_64/send.c b/sysdeps/unix/sysv/linux/x86_64/send.c
deleted file mode 100644
index c4af9cd..0000000
--- a/sysdeps/unix/sysv/linux/x86_64/send.c
+++ /dev/null
@@ -1,31 +0,0 @@
-/* Copyright (C) 2001-2017 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/>.  */
-
-#include <errno.h>
-#include <sys/socket.h>
-#include <sysdep-cancel.h>
-
-/* Send N bytes of BUF to socket FD.  Returns the number sent or -1.  */
-ssize_t
-__libc_send (int fd, const void *buf, size_t n, int flags)
-{
-  return SYSCALL_CANCEL (sendto, fd, buf, n, flags, NULL, (size_t) 0);
-}
-
-weak_alias (__libc_send, __send)
-libc_hidden_weak (__send)
-weak_alias (__send, send)
diff --git a/sysdeps/unix/sysv/linux/x86_64/syscalls.list b/sysdeps/unix/sysv/linux/x86_64/syscalls.list
index 7ff0376..889193b 100644
--- a/sysdeps/unix/sysv/linux/x86_64/syscalls.list
+++ b/sysdeps/unix/sysv/linux/x86_64/syscalls.list
@@ -15,7 +15,6 @@ getpeername	-	getpeername	i:ipp	__getpeername	getpeername
 getsockname	-	getsockname	i:ipp	__getsockname	getsockname
 getsockopt	-	getsockopt	i:iiiBN	__getsockopt	getsockopt
 listen		-	listen		i:ii	__listen	listen
-sendto		-	sendto		Ci:ibnibn	__libc_sendto	__sendto sendto
 setsockopt	-	setsockopt	i:iiibn	__setsockopt	setsockopt
 shutdown	-	shutdown	i:ii	__shutdown	shutdown
 socket		-	socket		i:iii	__socket	socket
