SDL_GetNumTouchFingers

Undocumented in source but is binding to C. You might be able to learn more by searching the web for its name.
  1. int SDL_GetNumTouchFingers(SDL_TouchID )
    version(BindSDL_Static)
    extern (C) @nogc nothrow
    int
    SDL_GetNumTouchFingers
  2. pSDL_GetNumTouchFingers SDL_GetNumTouchFingers;

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