All symbols starting with `f' in iokit/Families/IOAudio

• firstStreamAfter iokit/Families/IOAudio/IOAudioBus.cpp:247
• Flush iokit/Families/IOAudio/IOAudioParts.cpp:149
• flushStream iokit/Families/IOAudio/IOAudioController.cpp:521
• free iokit/Families/IOAudio/IOAudioController.cpp:399
• FreeStreams iokit/Families/IOAudio/IOAudioBus.cpp:189