#+build linux, darwin, netbsd, openbsd, freebsd package posix // netinet/tcp.h - definitions for the Internet Transmission Control Protocol (TCP) when ODIN_OS == .Darwin || ODIN_OS == .FreeBSD || ODIN_OS == .NetBSD || ODIN_OS == .OpenBSD || ODIN_OS == .Linux { TCP_NODELAY :: 0x01 }