extern (C) extern (Windows) extern (C) extern (Windows) extern (C) extern (Windows) extern (C) extern (Windows) extern (C) extern (Windows) extern (C) extern (Windows) extern (C) extern (Windows) extern (C) extern (Windows) extern (C) extern (Windows) extern (C) extern (Windows) extern (C) extern (Windows) extern (C) extern (Windows)
double
GDALRATGetValueAsDouble