pkg syscall (freebsd-386-cgo), func ReadDirent(int, []uint8) (int, error)
pkg syscall (freebsd-386-cgo), func Recvfrom(int, []uint8, int) (int, Sockaddr, error)
pkg syscall (freebsd-386-cgo), func Recvmsg(int, []uint8, []uint8, int) (int, int, int, Sockaddr, error)
pkg syscall (freebsd-386-cgo), func Revoke(string) error
pkg syscall (freebsd-386-cgo), func RouteRIB(int, int) ([]uint8, error)

	if 20 > l || l > len(b) {
		return n
	}
	if b[0]>>4 != 4 {
		return n
	}
	copy(b, b[l:])
	return n - l
}

func (c *IPConn) readMsg(b, oob []byte) (n, oobn, flags int, addr *IPAddr, err error) {
	var sa syscall.Sockaddr
	n, oobn, flags, sa, err = c.fd.readMsg(b, oob, 0)
	switch sa := sa.(type) {
	case *syscall.SockaddrInet4:
		addr = &IPAddr{IP: sa.Addr[0:]}
	case *syscall.SockaddrInet6:

package net

import (
	"context"
	"os"
	"syscall"
)

func (c *UnixConn) readFrom(b []byte) (int, *UnixAddr, error) {
	return 0, nil, syscall.EPLAN9
}

func (c *UnixConn) readMsg(b, oob []byte) (n, oobn, flags int, addr *UnixAddr, err error) {
	return 0, 0, 0, nil, syscall.EPLAN9
}

func (c *UnixConn) writeTo(b []byte, addr *UnixAddr) (int, error) {
	return 0, syscall.EPLAN9
}

package net

import (
	"context"
	"syscall"
)

func (c *IPConn) readFrom(b []byte) (int, *IPAddr, error) {
	return 0, nil, syscall.EPLAN9
}

func (c *IPConn) readMsg(b, oob []byte) (n, oobn, flags int, addr *IPAddr, err error) {
	return 0, 0, 0, nil, syscall.EPLAN9
}

func (c *IPConn) writeTo(b []byte, addr *IPAddr) (int, error) {
	return 0, syscall.EPLAN9
}

	if newObjectLayerFn() != nil {
		return nil
	}

	recvCfg, err := serverVerifyHandler.Call(ctx, client.gridConn, grid.NewMSS())
	if err != nil {
		return err
	}
	// We do not need the response after returning.
	defer serverVerifyHandler.PutResponse(recvCfg)

	return srcCfg.Diff(recvCfg)
}

// Stringer provides a canonicalized representation of node.

	n, err = fd.pfd.ReadFromInet6(p, from)
	runtime.KeepAlive(fd)
	return n, wrapSyscallError(readFromSyscallName, err)
}

func (fd *netFD) readMsg(p []byte, oob []byte, flags int) (n, oobn, retflags int, sa syscall.Sockaddr, err error) {
	n, oobn, retflags, sa, err = fd.pfd.ReadMsg(p, oob, flags)
	runtime.KeepAlive(fd)
	return n, oobn, retflags, sa, wrapSyscallError(readMsgSyscallName, err)
}

		if sa.Name != "" {
			addr = &UnixAddr{Name: sa.Name, Net: sotypeToNet(c.fd.sotype)}
		}
	}
	return n, addr, err
}

func (c *UnixConn) readMsg(b, oob []byte) (n, oobn, flags int, addr *UnixAddr, err error) {
	var sa syscall.Sockaddr
	n, oobn, flags, sa, err = c.fd.readMsg(b, oob, readMsgFlags)
	if readMsgFlags == 0 && err == nil && oobn > 0 {
		setReadMsgCloseOnExec(oob[:oobn])
	}

	switch sa := sa.(type) {

pkg syscall (darwin-386), func ReadDirent(int, []uint8) (int, error)
pkg syscall (darwin-386), func Recvfrom(int, []uint8, int) (int, Sockaddr, error)
pkg syscall (darwin-386), func Recvmsg(int, []uint8, []uint8, int) (int, int, int, Sockaddr, error)
pkg syscall (darwin-386), func Revoke(string) error
pkg syscall (darwin-386), func RouteRIB(int, int) ([]uint8, error)

	}
	buf = buf[:m]

	h, buf := unmarshalUDPHeader(buf)
	n := copy(b, buf)
	ip, _ := netip.AddrFromSlice(h.raddr)
	addr := netip.AddrPortFrom(ip, h.rport)
	return n, addr, nil
}

func (c *UDPConn) readMsg(b, oob []byte) (n, oobn, flags int, addr netip.AddrPort, err error) {
	return 0, 0, 0, netip.AddrPort{}, syscall.EPLAN9
}

func (c *UDPConn) writeTo(b []byte, addr *UDPAddr) (int, error) {
	if addr == nil {

pkg syscall (netbsd-arm64-cgo), func Read(int, []uint8) (int, error)
pkg syscall (netbsd-arm64-cgo), func Recvfrom(int, []uint8, int) (int, Sockaddr, error)
pkg syscall (netbsd-arm64-cgo), func Recvmsg(int, []uint8, []uint8, int) (int, int, int, Sockaddr, error)
pkg syscall (netbsd-arm64-cgo), func Revoke(string) error
pkg syscall (netbsd-arm64-cgo), func RouteRIB(int, int) ([]uint8, error)