pub const control_code = struct {
    /// Null.
    pub const nul = 0x00;
    /// Start of Heading.
    pub const soh = 0x01;
    /// Start of Text.
    pub const stx = 0x02;
    /// End of Text.
    pub const etx = 0x03;
    /// End of Transmission.
    pub const eot = 0x04;
    /// Enquiry.
    pub const enq = 0x05;
    /// Acknowledge.
    pub const ack = 0x06;
    /// Bell, Alert.
    pub const bel = 0x07;
    /// Backspace.
    pub const bs = 0x08;
    /// Horizontal Tab, Tab ('\t').
    pub const ht = 0x09;
    /// Line Feed, Newline ('\n').
    pub const lf = 0x0A;
    /// Vertical Tab.
    pub const vt = 0x0B;
    /// Form Feed.
    pub const ff = 0x0C;
    /// Carriage Return ('\r').
    pub const cr = 0x0D;
    /// Shift Out.
    pub const so = 0x0E;
    /// Shift In.
    pub const si = 0x0F;
    /// Data Link Escape.
    pub const dle = 0x10;
    /// Device Control One (XON).
    pub const dc1 = 0x11;
    /// Device Control Two.
    pub const dc2 = 0x12;
    /// Device Control Three (XOFF).
    pub const dc3 = 0x13;
    /// Device Control Four.
    pub const dc4 = 0x14;
    /// Negative Acknowledge.
    pub const nak = 0x15;
    /// Synchronous Idle.
    pub const syn = 0x16;
    /// End of Transmission Block
    pub const etb = 0x17;
    /// Cancel.
    pub const can = 0x18;
    /// End of Medium.
    pub const em = 0x19;
    /// Substitute.
    pub const sub = 0x1A;
    /// Escape.
    pub const esc = 0x1B;
    /// File Separator.
    pub const fs = 0x1C;
    /// Group Separator.
    pub const gs = 0x1D;
    /// Record Separator.
    pub const rs = 0x1E;
    /// Unit Separator.
    pub const us = 0x1F;

    /// Delete.
    pub const del = 0x7F;

    /// An alias to `dc1`.
    pub const xon = dc1;
    /// An alias to `dc3`.
    pub const xoff = dc3;
}