OpenSettingsFile
if (OpenSettingsFile(file, B_READ_ONLY) == B_OK) {
if (OpenSettingsFile(file, B_WRITE_ONLY | B_ERASE_FILE | B_CREATE_FILE)
if (OpenSettingsFile(file, B_READ_ONLY) == B_OK) {
if (OpenSettingsFile(file, B_READ_ONLY | B_CREATE_FILE) != B_OK)
if (OpenSettingsFile(file, B_WRITE_ONLY | B_ERASE_FILE) != B_OK)