#define LF 10
#define CR 13
#define BEL 7
#define BS 8
#define FF 12
#define SE 240
#define NOP 241
#define AYT 246
#define GA 249

#define SB 250
#define WILL 251
#define WONT 252
#define DO 253
#define DONT 254
#define IAC 255

#define SGA 3
#define STATUS 5
#define ECHO 1
#define TERMTYPE 24
#define NAWS 31
#define SURPRESS_LOCAL_ECHO 45
#define LINEMODE 34