//sys	connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
//sysnb	getgroups(n int, list *_Gid_t) (nn int, err error)
//sys	getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error)
//sys	setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error)
//sysnb	socket(domain int, typ int, proto int) (fd int, err error)

//sys	writev(fd int, iovecs []Iovec) (n uintptr, err error)
//sys	getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error) = libsocket.__xnet_getsockopt
//sysnb	getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) = libsocket.getpeername
//sys	getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) = libsocket.getsockname

//sys	Setsockopt(s Handle, level int32, optname int32, optval *byte, optlen int32) (err error) [failretval==socket_error] = ws2_32.setsockopt
//sys	Getsockopt(s Handle, level int32, optname int32, optval *byte, optlen *int32) (err error) [failretval==socket_error] = ws2_32.getsockopt

	}
	return int(fd), nil
}

func getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) error {
	args := [5]uintptr{uintptr(s), uintptr(level), uintptr(name), uintptr(val), uintptr(unsafe.Pointer(vallen))}
	_, _, err := Syscall(SYS_SOCKETCALL, netGetSockOpt, uintptr(unsafe.Pointer(&args)), 0)
	if err != 0 {
		return err
	}
	return nil
}

}

func GetsockoptIPMreqn(fd, level, opt int) (*IPMreqn, error) {
	var value IPMreqn
	vallen := _Socklen(SizeofIPMreqn)
	errno := getsockopt(fd, level, opt, unsafe.Pointer(&value), &vallen)
	return &value, errno
}

func SetsockoptIPMreqn(fd, level, opt int, mreq *IPMreqn) (err error) {
	return setsockopt(fd, level, opt, unsafe.Pointer(mreq), unsafe.Sizeof(*mreq))
}

func Accept4(fd, flags int) (nfd int, sa Sockaddr, err error) {

//sys	connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
//sysnb	socket(domain int, typ int, proto int) (fd int, err error)
//sys	getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error)
//sys	setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error)
//sysnb	getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error)

	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error) {
	_, _, e1 := Syscall6(SYS_GETSOCKOPT, uintptr(s), uintptr(level), uintptr(name), uintptr(val), uintptr(unsafe.Pointer(vallen)), 0)
	if e1 != 0 {

int truncate(uintptr_t, long long);
int bind(int, uintptr_t, uintptr_t);
int connect(int, uintptr_t, uintptr_t);
int getgroups(int, uintptr_t);
int setgroups(int, uintptr_t);
int getsockopt(int, int, int, uintptr_t, uintptr_t);
int setsockopt(int, int, int, uintptr_t, uintptr_t);
int socket(int, int, int);
int socketpair(int, int, int, uintptr_t);
int getpeername(int, uintptr_t, uintptr_t);
int getsockname(int, uintptr_t, uintptr_t);

	if e1 != 0 {
		err = errnoErr(e1)
	}
	return
}

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error) {
	_, _, e1 := Syscall6(SYS_GETSOCKOPT, uintptr(s), uintptr(level), uintptr(name), uintptr(val), uintptr(unsafe.Pointer(vallen)), 0)
	if e1 != 0 {

	SYS_SETSOCKOPT               = 105 // { int setsockopt(int s, int level, int name, \
	SYS_LISTEN                   = 106 // { int listen(int s, int backlog); }
	SYS_GETTIMEOFDAY             = 116 // { int gettimeofday(struct timeval *tp, \
	SYS_GETRUSAGE                = 117 // { int getrusage(int who, \
	SYS_GETSOCKOPT               = 118 // { int getsockopt(int s, int level, int name, \