pub const ACCEPT: u8 = 1;
pub const RECV: u8 = 2;
pub const SEND: u8 = 3;
pub const SOCKET: u8 = 5;
pub const CONNECT: u8 = 6;
pub const SHUTDOWN: u8 = 7;
pub const OPEN: u8 = 11;
pub const READ: u8 = 12;
pub const STAT: u8 = 18;
pub const ONE_SHOT: u8 = 19;
pub const TASK_QUEUE: u8 = 21;
pub const RECV_CREDIT_HELD: u8 = 22;
pub(crate) const RECV_CREDIT_RETURNED: u8 = 23;
pub(crate) const RECV_CREDIT_RETRY: u8 = 24;
pub const TUNING: u8 = 25;
pub(crate) const RECV_BUFFER_WAITING: u8 = 26;
pub(crate) const RECV_BUFFER_GRANTED: u8 = 27;
pub const WRITE: u8 = 28;
pub const SYNC: u8 = 29;