FAX_ENUM_DEVICE_ID_SOURCE
PFAX_EXT_CONFIG_CHANGE
PFAX_EXT_FREE_BUFFER
PFAX_EXT_GET_DATA
PFAX_EXT_INITIALIZE_CONFIG
PFAX_EXT_REGISTER_FOR_EVENTS
PFAX_EXT_SET_DATA
PFAX_EXT_UNREGISTER_FOR_EVENTS
TFaxEnumDeviceIdSource