short pascal far RVOICE_INIT(void);
short pascal far RVOICE_CLEANUP(void);
short pascal far RVOICE_START(unsigned char far *,
                             long,
                             unsigned short,
                             unsigned short,
                             short,
                             long);
short pascal far RVOICE_CATCHUP(void);
void pascal far RVOICE_STOP(void);
void pascal far RVOICE_STATUS(long far *,long far *);
void pascal far RVOICE_CBREAK(void);