LPPCMWAVEFORMAT

typedef struct pcmwaveformat_tag {
    WAVEFORMAT  wf;
    WORD        wBitsPerSample;
} PCMWAVEFORMAT, *PPCMWAVEFORMAT, NEAR *NPPCMWAVEFORMAT, FAR *LPPCMWAVEFORMAT;
typedef PCMWAVEFORMAT FAR  *LPPCMWAVEFORMAT;