pub(crate) fn socketpair(
family: AddressFamily,
type_: SocketType,
flags: SocketFlags,
protocol: Option<Protocol>,
) -> Result<(OwnedFd, OwnedFd)>pub(crate) fn socketpair(
family: AddressFamily,
type_: SocketType,
flags: SocketFlags,
protocol: Option<Protocol>,
) -> Result<(OwnedFd, OwnedFd)>