Function rustix::net::sockopt::get_tcp_nodelay   
pub fn get_tcp_nodelay<Fd: AsFd>(fd: &Fd) -> io::Result<bool>Documentation
getsockopt(fd, IPPROTO_TCP, TCP_NODELAY)
References
- POSIX getsockopt
- POSIX netinet/tcp.h
- Linux getsockopt
- Linux tcp
- [Winsock2 getsockopt]
- Winsock2 IPPROTO_TCPoptions