sizeof 24

struct CFX_StringData {

    long		m_nRefs;

    int m_nDataLength;

    int m_nAllocLength;
    char m_String[1];
   
};

　　sizeof  24

struct CFX_StringData {

    long		m_nRefs;

    int m_nDataLength;

    int m_nAllocLength;
    char m_String;
   
};

　　sizeof 24