sdlGetNumberProperty function properties
Get a number property from a group of properties.
You can use SDL_GetPropertyType() to query whether the property exists and is a number property.
\param props the properties to query.
\param name the name of the property to query.
\param default_value the default value of the property.
\returns the value of the property, or default_value if it is not set or
not a number property.
\threadsafety It is safe to call this function from any thread.
\since This function is available since SDL 3.2.0.
\sa SDL_GetPropertyType \sa SDL_HasProperty \sa SDL_SetNumberProperty
extern SDL_DECLSPEC Sint64 SDLCALL SDL_GetNumberProperty(SDL_PropertiesID props, const char *name, Sint64 default_value)
Implementation
int sdlGetNumberProperty(int props, String? name, int defaultValue) {
  final sdlGetNumberPropertyLookupFunction = _libSdl
      .lookupFunction<
        Int64 Function(Uint32 props, Pointer<Utf8> name, Int64 defaultValue),
        int Function(int props, Pointer<Utf8> name, int defaultValue)
      >('SDL_GetNumberProperty');
  final namePointer = name != null ? name.toNativeUtf8() : nullptr;
  final result = sdlGetNumberPropertyLookupFunction(
    props,
    namePointer,
    defaultValue,
  );
  calloc.free(namePointer);
  return result;
}