typedef struct oliadpcmwaveformat_tag {
        WAVEFORMATEX    wfx;
} OLIADPCMWAVEFORMAT;

typedef OLIADPCMWAVEFORMAT     *POLIADPCMWAVEFORMAT;

typedef OLIADPCMWAVEFORMAT NEAR *NPOLIADPCMWAVEFORMAT ;

typedef OLIADPCMWAVEFORMAT  FAR  *LPOLIADPCMWAVEFORMAT;