typedef struct tagSERIALKEYSA
{
    UINT    cbSize;
    DWORD   dwFlags;
    LPSTR     lpszActivePort;
    LPSTR     lpszPort;
    UINT    iBaudRate;
    UINT    iPortState;
    UINT    iActive;
}   SERIALKEYSA, *LPSERIALKEYSA;

typedef SERIALKEYSA SERIALKEYS;