_Open
_Open(entry);
_Open(entry);
void _Open(const BEntry& entry);
_Open(ref, trackerMessenger);
void _Open(const entry_ref& ref,
if (_Open(&file, B_CREATE_FILE | B_ERASE_FILE | B_WRITE_ONLY) != B_OK)
status_t _Open(BFile* file, int32 mode);
if (_Open(&file, B_READ_ONLY) != B_OK)