### - o -

- observingVisible : Cocoa_WindowListener
- offset : SDL_HapticPeriodic
- Offset : SDL_VideoData
- ofs : input_t
- OneOverQ : XAUDIO2_FILTER_PARAMETERS
- OnlyHasDefaultInputDevice : SDL_AudioDriverImpl
- OnlyHasDefaultOutputDevice : SDL_AudioDriverImpl
- OnWindowEnter : SDL_VideoDevice
- opacity : DFB_WindowData
- OpenDevice : SDL_AudioDriverImpl
- opened : SDL_AudioDevice
- ordblks : mallinfo
- output : SDL_PrivateAudioData
- OutputChannels : XAUDIO2_EFFECT_DESCRIPTOR
- outputDeviceCount : SDL_AudioDriver
- outputDevices : SDL_AudioDriver
- outputDevicesRemoved : SDL_AudioDriver
- owner : SDL_mutex
- SDL_OpenAudio : SDL_DYNAPI_jump_table
- SDL_OUT_BYTECAP : SDL_DYNAPI_jump_table
- SDL_OUT_Z_CAP : SDL_DYNAPI_jump_table