Here is a list of all variables with links to the structures/unions they belong to:

### - r -

- r : SDL_Color, SDL_FColor, SDL_MessageBoxColor
- ramp : SDL_HapticEffect
- rasterizer_state : SDL_GPUGraphicsPipelineCreateInfo
- rate : SDL_VirtualJoystickSensorDesc
- raw : SDL_KeyboardEvent
- Rbits : SDL_PixelFormatDetails
- read : SDL_IOStreamInterface
- read_file : SDL_StorageInterface
- ready : SDL_StorageInterface
- recording : SDL_AudioDeviceEvent
- rect : SDLTest_TextWindow
- refcount : SDL_Palette, SDL_Surface, SDL_Texture
- refresh_rate : SDL_DisplayMode, SDLTest_CommonState
- refresh_rate_denominator : SDL_DisplayMode
- refresh_rate_numerator : SDL_DisplayMode
- release_number : SDL_hid_device_info
- remove : SDL_StorageInterface
- rename : SDL_StorageInterface
- render : SDL_Event
- render_vsync : SDLTest_CommonState
- renderdriver : SDLTest_CommonState
- renderers : SDLTest_CommonState
- repeat : SDL_KeyboardEvent
- reserved : SDL_AudioDeviceEvent, SDL_CameraDeviceEvent, SDL_ClipboardEvent, SDL_CommonEvent, SDL_DisplayEvent, SDL_DropEvent, SDL_GamepadAxisEvent, SDL_GamepadButtonEvent, SDL_GamepadDeviceEvent, SDL_GamepadSensorEvent, SDL_GamepadTouchpadEvent, SDL_InitState, SDL_JoyAxisEvent, SDL_JoyBallEvent, SDL_JoyBatteryEvent, SDL_JoyButtonEvent, SDL_JoyDeviceEvent, SDL_JoyHatEvent, SDL_KeyboardDeviceEvent, SDL_KeyboardEvent, SDL_MouseButtonEvent, SDL_MouseDeviceEvent, SDL_MouseMotionEvent, SDL_MouseWheelEvent, SDL_PenAxisEvent, SDL_PenButtonEvent, SDL_PenMotionEvent, SDL_PenProximityEvent, SDL_PenTouchEvent, SDL_QuitEvent, SDL_RenderEvent, SDL_SensorEvent, SDL_Surface, SDL_TextEditingCandidatesEvent, SDL_TextEditingEvent, SDL_TextInputEvent, SDL_TouchFingerEvent, SDL_UserEvent, SDL_WindowEvent
- resolve_layer : SDL_GPUColorTargetInfo
- resolve_mip_level : SDL_GPUColorTargetInfo
- resolve_texture : SDL_GPUColorTargetInfo
- result : SDL_AsyncIOOutcome
- right_coeff : SDL_HapticCondition
- right_sat : SDL_HapticCondition
- Rmask : SDL_PixelFormatDetails
- rows_per_layer : SDL_GPUTextureTransferInfo
- Rshift : SDL_PixelFormatDetails
- Rumble : SDL_VirtualJoystickDesc
- RumbleTriggers : SDL_VirtualJoystickDesc