TCP

pub const TCP = struct {
    /// Turn off Nagle's algorithm
    pub const NODELAY = 0x01;
    /// Limit MSS
    pub const MAXSEG = 0x02;
    /// Don't push last block of write
    pub const NOPUSH = 0x04;
    /// Don't use TCP options
    pub const NOOPT = 0x08;
    /// Idle time used when SO_KEEPALIVE is enabled
    pub const KEEPALIVE = 0x10;
    /// Connection timeout
    pub const CONNECTIONTIMEOUT = 0x20;
    /// Time after which a conection in persist timeout will terminate.
    pub const PERSIST_TIMEOUT = 0x40;
    /// Time after which TCP retransmissions will be stopped and the connection will be dropped.
    pub const RXT_CONNDROPTIME = 0x80;
    /// Drop a connection after retransmitting the FIN 3 times.
    pub const RXT_FINDROP = 0x100;
    /// Interval between keepalives
    pub const KEEPINTVL = 0x101;
    /// Number of keepalives before clsoe
    pub const KEEPCNT = 0x102;
    /// Always ack every other packet
    pub const SENDMOREACKS = 0x103;
    /// Enable ECN on a connection
    pub const ENABLE_ECN = 0x104;
    /// Enable/Disable TCP Fastopen on this socket
    pub const FASTOPEN = 0x105;
    /// State of the TCP connection
    pub const CONNECTION_INFO = 0x106;
}