#define VT52    1
#define HEATH19 2
#define VT102   4
#define VT200   8
#define ANSI    16
#define END     128

#define ASCII           1
#define APPLICATION     2

void  VT_Mode( int );
void  VT_Init();
void  VT_Term();
int   VT_Match( char*, char* );
int   VT_Process( int );
char* VT_Convert( int );