const PRUint32 offset = *NS_STATIC_CAST(const PRUint32*, aData);
const PRUint32 offset = *((const PRUint32*)aData);
comparePrefArrayMembers(const void* aElement1, const void* aElement2, void* aData){    const char* element1 = *NS_STATIC_CAST(const char* const *, aElement1);    const char* element2 = *NS_STATIC_CAST(const char* const *, aElement2);    const PRUint32 offset = *NS_STATIC_CAST(const PRUint32*, aData);    // begin the comparison at |offset| chars into the string -    // this avoids comparing the "ldap_2.servers." portion of every element,    // which will always remain the same.    return strcmp(element1 + offset, element2 + offset);}