The SimpleDirectMediaLayer (SDL) has a bunch of manual pages that are in this wiki but didn't get caught by the script that indexes man pages.
So.. here they all are! (RegularExpressions are my NewBestFriend)
SDLKey(3)
SDL_ActiveEvent(3)
SDL_AddTimer(3)
SDL_AudioCVT(3)
SDL_AudioSpec(3)
SDL_BlitSurface(3)
SDL_BuildAudioCVT(3)
SDL_CD(3)
SDL_CDClose(3)
SDL_CDEject(3)
SDL_CDName(3)
SDL_CDNumDrives(3)
SDL_CDOpen(3)
SDL_CDPause(3)
SDL_CDPlay(3)
SDL_CDPlayTracks(3)
SDL_CDResume(3)
SDL_CDStatus(3)
SDL_CDStop(3)
SDL_CDtrack(3)
SDL_CloseAudio(3)
SDL_Color(3)
SDL_CondBroadcast(3)
SDL_CondSignal(3)
SDL_CondWait(3)
SDL_CondWaitTimeout(3)
SDL_ConvertAudio(3)
SDL_ConvertSurface(3)
SDL_CreateCond(3)
SDL_CreateCursor(3)
SDL_CreateMutex(3)
SDL_CreateRGBSurface(3)
SDL_CreateRGBSurfaceFrom(3)
SDL_CreateSemaphore(3)
SDL_CreateThread(3)
SDL_CreateYUVOverlay(3)
SDL_Delay(3)
SDL_DestroyCond(3)
SDL_DestroyMutex(3)
SDL_DestroySemaphore(3)
SDL_DisplayFormat(3)
SDL_DisplayFormatAlpha(3)
SDL_DisplayYUVOverlay(3)
SDL_EnableKeyRepeat(3)
SDL_EnableUNICODE(3)
SDL_Event(3)
SDL_EventState(3)
SDL_FillRect(3)
SDL_Flip(3)
SDL_FreeCursor(3)
SDL_FreeSurface(3)
SDL_FreeWAV(3)
SDL_FreeYUVOverlay(3)
SDL_GL_GetAttribute(3)
SDL_GL_GetProcAddress(3)
SDL_GL_LoadLibrary(3)
SDL_GL_SetAttribute(3)
SDL_GL_SwapBuffers(3)
SDL_GLattr(3)
SDL_GetAppState(3)
SDL_GetAudioStatus(3)
SDL_GetCursor(3)
SDL_GetGamma(3)
SDL_GetGammaRamp(3)
SDL_GetKeyName(3)
SDL_GetKeyState(3)
SDL_GetModState(3)
SDL_GetMouseState(3)
SDL_GetRGB(3)
SDL_GetRGBA(3)
SDL_GetRelativeMouseState(3)
SDL_GetThreadID(3)
SDL_GetTicks(3)
SDL_GetVideoInfo(3)
SDL_GetVideoSurface(3)
SDL_Init(3)
SDL_InitSubSystem(3)
SDL_JoyAxisEvent(3)
SDL_JoyBallEvent(3)
SDL_JoyButtonEvent(3)
SDL_JoyHatEvent(3)
SDL_JoystickClose(3)
SDL_JoystickEventState(3)
SDL_JoystickGetAxis(3)
SDL_JoystickGetBall(3)
SDL_JoystickGetButton(3)
SDL_JoystickGetHat(3)
SDL_JoystickIndex(3)
SDL_JoystickName(3)
SDL_JoystickNumAxes(3)
SDL_JoystickNumBalls(3)
SDL_JoystickNumButtons(3)
SDL_JoystickNumHats(3)
SDL_JoystickOpen(3)
SDL_JoystickOpened(3)
SDL_JoystickUpdate(3)
SDL_KeyboardEvent(3)
SDL_KillThread(3)
SDL_ListModes(3)
SDL_LoadBMP(3)
SDL_LoadWAV(3)
SDL_LockAudio(3)
SDL_LockSurface(3)
SDL_LockYUVOverlay(3)
SDL_MapRGB(3)
SDL_MapRGBA(3)
SDL_MixAudio(3)
SDL_MouseButtonEvent(3)
SDL_MouseMotionEvent(3)
SDL_NumJoysticks(3)
SDL_OpenAudio(3)
SDL_Overlay(3)
SDL_Palette(3)
SDL_PauseAudio(3)
SDL_PeepEvents(3)
SDL_PixelFormat(3)
SDL_PollEvent(3)
SDL_PumpEvents(3)
SDL_PushEvent(3)
SDL_Quit(3)
SDL_QuitEvent(3)
SDL_QuitSubSystem(3)
SDL_Rect(3)
SDL_RemoveTimer(3)
SDL_ResizeEvent(3)
SDL_SaveBMP(3)
SDL_SemPost(3)
SDL_SemTryWait(3)
SDL_SemValue(3)
SDL_SemWait(3)
SDL_SemWaitTimeout(3)
SDL_SetAlpha(3)
SDL_SetClipRect(3)
SDL_SetColorKey(3)
SDL_SetColors(3)
SDL_SetCursor(3)
SDL_SetEventFilter(3)
SDL_SetGamma(3)
SDL_SetGammaRamp(3)
SDL_SetModState(3)
SDL_SetPalette(3)
SDL_SetTimer(3)
SDL_SetVideoMode(3)
SDL_ShowCursor(3)
SDL_Surface(3)
SDL_SysWMEvent(3)
SDL_ThreadID(3)
SDL_UnlockAudio(3)
SDL_UnlockSurface(3)
SDL_UnlockYUVOverlay(3)
SDL_UpdateRect(3)
SDL_UpdateRects(3)
SDL_UserEvent(3)
SDL_VideoInfo(3)
SDL_VideoModeOK(3)
SDL_WM_GetCaption(3)
SDL_WM_GrabInput(3)
SDL_WM_IconifyWindow(3)
SDL_WM_SetCaption(3)
SDL_WM_SetIcon(3)
SDL_WM_ToggleFullScreen(3)
SDL_WaitEvent(3)
SDL_WaitThread(3)
SDL_WarpMouse(3)
SDL_WasInit(3)
SDL_keysym(3)
SDL_mutexP(3)
SDL_mutexV(3)
One page links to SDLManPages: