_InitSettingsFile
status_t status = _InitSettingsFile(&prefsFile, false);
status_t status = _InitSettingsFile(&prefsFile, true);
status_t _InitSettingsFile(BFile* file, bool write);
ret = _InitSettingsFile(&prefsFile, true);
if (_InitSettingsFile(&prefsFile, false) < B_OK) {
status_t _InitSettingsFile(BFile* file, bool write);