//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 int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error) = libsocket.setsockopt

//sys	socket(domain int, typ int, proto int) (fd int, err error) = libsocket.__xnet_socket
//sysnb	socketpair(domain int, typ int, proto int, fd *[2]int32) (err error) = libsocket.__xnet_socketpair
//sys	write(fd int, p []byte) (n int, err error)
//sys	getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error) = libsocket.__xnet_getsockopt

//go:cgo_import_dynamic libc___xnet_getsockopt __xnet_getsockopt "libsocket.so"
//go:cgo_import_dynamic libc_getpeername getpeername "libsocket.so"
//go:cgo_import_dynamic libc_getsockname getsockname "libsocket.so"
//go:cgo_import_dynamic libc_setsockopt setsockopt "libsocket.so"
//go:cgo_import_dynamic libc_recvfrom recvfrom "libsocket.so"
//go:cgo_import_dynamic libc___xnet_recvmsg __xnet_recvmsg "libsocket.so"