extern char scancodein;
extern char scancodeout;
extern char far *keystatus;
extern void (*kbdidlefunc)();
extern char newkey;
extern char keyrel;
extern char keyint9;
extern char useint9;
extern char typemat;
extern void interrupt (*nextkbdvec)();

void useint9handler( char toggle );
void readkbd( int *key, char *extkey, char *typematic );