### - u -

- SDL_UDEV_DYNAMIC : SDL_config.h
- SDL_uitoa : SDL_dynapi_overrides.h
- SDL_ulltoa : SDL_dynapi_overrides.h
- SDL_ultoa : SDL_dynapi_overrides.h
- SDL_UnionRect : SDL_dynapi_overrides.h
- SDL_UnloadObject : SDL_dynapi_overrides.h
- SDL_UnlockAudio : SDL_dynapi_overrides.h
- SDL_UnlockAudioDevice : SDL_dynapi_overrides.h
- SDL_UnlockJoysticks : SDL_dynapi_overrides.h
- SDL_UnlockMutex : SDL_dynapi_overrides.h
- SDL_UnlockSurface : SDL_dynapi_overrides.h
- SDL_UnlockTexture : SDL_dynapi_overrides.h
- SDL_UnregisterApp : SDL_dynapi_overrides.h
- SDL_Unsupported : SDL_error.h
- SDL_UNUSED : begin_code.h
- SDL_UpdateTexture : SDL_dynapi_overrides.h
- SDL_UpdateWindowSurface : SDL_dynapi_overrides.h
- SDL_UpdateWindowSurfaceRects : SDL_dynapi_overrides.h
- SDL_UpdateYUVTexture : SDL_dynapi_overrides.h
- SDL_UpperBlit : SDL_dynapi_overrides.h
- SDL_UpperBlitScaled : SDL_dynapi_overrides.h
- SDL_USE_IME : SDL_config.h
- SDL_utf8strlcpy : SDL_dynapi_overrides.h
- SDL_utf8strlen : SDL_dynapi_overrides.h
- UINT64_MAX : testvulkan.c
- UNICODE_BOM : SDL_iconv.c
- UNIFONT_DRAW_SCALE : testime.c
- UNIFONT_GLYPHS_IN_ROW : testime.c
- UNIFONT_GLYPHS_IN_TEXTURE : testime.c
- UNIFONT_MAX_CODEPOINT : testime.c
- UNIFONT_NUM_GLYPHS : testime.c
- UNIFONT_NUM_TEXTURES : testime.c
- UNIFONT_TEXTURE_PITCH : testime.c
- UNIFONT_TEXTURE_SIZE : testime.c
- UNIFONT_TEXTURE_WIDTH : testime.c
- UNKNOWN_ASCII : SDL_iconv.c
- UNKNOWN_UNICODE : SDL_iconv.c
- unlink_chunk : SDL_malloc.c
- unlink_first_small_chunk : SDL_malloc.c
- unlink_large_chunk : SDL_malloc.c
- unlink_small_chunk : SDL_malloc.c
- USAGE_ERROR_ACTION : SDL_malloc.c
- USE_BUILTIN_FFS : SDL_malloc.c
- USE_DEV_RANDOM : SDL_malloc.c
- USE_DL_PREFIX : SDL_malloc.c
- USE_DUFFS_LOOP : SDL_blit.h
- use_lock : SDL_malloc.c
- USE_LOCK_BIT : SDL_malloc.c
- USE_LOCKS : SDL_malloc.c
- USE_MACOS_CURSOR : default_cursor.h
- use_mmap : SDL_malloc.c
- USE_MMAP_BIT : SDL_malloc.c
- USE_MULTI_API : SDL_DirectFB_video.h
- use_noncontiguous : SDL_malloc.c
- USE_NONCONTIGUOUS_BIT : SDL_malloc.c
- UTF8_IsLeadByte : SDL_string.c
- UTF8_IsTrailingByte : SDL_string.c
- UV2RGB_16 : yuv_rgb_sse_func.h