Here is a list of all struct and union fields with links to the structures/unions they belong to:

### - u -

- Update : SDL_VirtualJoystickDesc
- usage : SDL_GPUBufferCreateInfo, SDL_GPUTextureCreateInfo, SDL_GPUTransferBufferCreateInfo, SDL_hid_device_info, SDLTest_ArgumentParser
- usage_page : SDL_hid_device_info
- user : SDL_Event
- userdata : SDL_AsyncIOOutcome, SDL_VirtualJoystickDesc
- utc_offset : SDL_DateTime