pub(in sys) fn socketpair(
domain: c_int,
sock_type: c_int,
protocol: c_int,
) -> Result<(SafeDescriptor, SafeDescriptor)>pub(in sys) fn socketpair(
domain: c_int,
sock_type: c_int,
protocol: c_int,
) -> Result<(SafeDescriptor, SafeDescriptor)>