pub mod op_command {
pub const IAC: u8 = 255;
pub const WILL: u8 = 251;
pub const WONT: u8 = 252;
pub const DO: u8 = 253;
pub const DONT: u8 = 254;
pub const NOP: u8 = 241;
pub const SB: u8 = 250;
pub const SE: u8 = 240;
pub const IS: u8 = 0;
pub const SEND: u8 = 1;
pub const GA: u8 = 249;
pub const EOR: u8 = 239;
}
pub mod op_option {
pub const BINARY: u8 = 0;
pub const ECHO: u8 = 1;
pub const RCP: u8 = 2;
pub const SGA: u8 = 3;
pub const NAMS: u8 = 4;
pub const STATUS: u8 = 5;
pub const TM: u8 = 6;
pub const RCTE: u8 = 7;
pub const NAOL: u8 = 8;
pub const NAOP: u8 = 9;
pub const NAOCRD: u8 = 10;
pub const NAOHTS: u8 = 11;
pub const NAOHTD: u8 = 12;
pub const NAOFFD: u8 = 13;
pub const NAOVTS: u8 = 14;
pub const NAOVTD: u8 = 15;
pub const NAOLFD: u8 = 16;
pub const XASCII: u8 = 17;
pub const LOGOUT: u8 = 18;
pub const BM: u8 = 19;
pub const DET: u8 = 20;
pub const SUPDUP: u8 = 21;
pub const SUPDUPOUTPUT: u8 = 22;
pub const SNDLOC: u8 = 23;
pub const TTYPE: u8 = 24;
pub const EOR: u8 = 25;
pub const TUID: u8 = 26;
pub const OUTMRK: u8 = 27;
pub const TTYLOC: u8 = 28;
pub const _3270REGIME: u8 = 29;
pub const X3PAD: u8 = 30;
pub const NAWS: u8 = 31;
pub const TSPEED: u8 = 32;
pub const LFLOW: u8 = 33;
pub const LINEMODE: u8 = 34;
pub const XDISPLOC: u8 = 35;
pub const ENVIRON: u8 = 36;
pub const AUTHENTICATION: u8 = 37;
pub const ENCRYPT: u8 = 38;
pub const NEWENVIRON: u8 = 39;
pub const MSSP: u8 = 70;
pub const ZMP: u8 = 93;
pub const EXOPL: u8 = 255;
pub const MCCP2: u8 = 86;
pub const MCCP3: u8 = 87;
pub const GMCP: u8 = 201;
}