Native, blocking TCP primitives for Nimony —
the bottom layer of the tcp → net → serve stack. Binds directly to the platform
socket API (POSIX / Winsock), hands you raw TcpHandles and caller-owned buffers,
and reports failures as status codes, not exceptions.
📖 Full docs → aoughwl.github.io/docs/net-stack
import tcpIPv4 + blocking by default; nonblocking connect, pollTcp readiness, and
per-operation timeouts opt in on the same handle. formatIpv4 / parseIpv4Text /
resolveTcp4 cover addressing.