typedef MCI_SYSINFO_PARMSW MCI_SYSINFO_PARMS;

typedef MCI_SYSINFO_PARMSA MCI_SYSINFO_PARMS;

typedef struct tagMCI_SYSINFO_PARMS {
    DWORD   dwCallback;
    LPSTR   lpstrReturn;
    DWORD   dwRetSize;
    DWORD   dwNumber;
    WORD    wDeviceType;
    WORD    wReserved0;
} MCI_SYSINFO_PARMS, FAR * LPMCI_SYSINFO_PARMS;