typedef struct creative_adpcmwaveformat_tag {
        WAVEFORMATEX    wfx;
        WORD            wRevision;
} CREATIVEADPCMWAVEFORMAT;

typedef CREATIVEADPCMWAVEFORMAT       *PCREATIVEADPCMWAVEFORMAT;

typedef CREATIVEADPCMWAVEFORMAT NEAR *NPCREATIVEADPCMWAVEFORMAT;

typedef CREATIVEADPCMWAVEFORMAT FAR  *LPCREATIVEADPCMWAVEFORMAT;