#define RECORDBYTES	132
#define DATABYTES	128
#define NAMEBYTES	63

#define RETRIES		10
#define SOHTIMO		10
#define ACKTIMO		10
#define LINTIMO		20
#define CHRTIMO		2

#define MAXRECNO	0xff

#define TMO		-1
#define DUP		'\000'
#define SOH		'\001'
#define EOT		'\004'
#define ACK		'\006'
#define NAK		'\025'
#define CAN		'\030'
#define EEF		'\032'
#define ESC		'\033'