typedef struct tagMCI_SYSINFO_PARMSA {
    DWORD_PTR   dwCallback;
    LPSTR       lpstrReturn;
    DWORD       dwRetSize;
    DWORD       dwNumber;
    UINT        wDeviceType;
} MCI_SYSINFO_PARMSA, *PMCI_SYSINFO_PARMSA, * LPMCI_SYSINFO_PARMSA;

typedef LPMCI_SYSINFO_PARMSA LPMCI_SYSINFO_PARMS;