dll中的函数是：RunHessianMultiThread(imgData, Sigma,ImageSize,HessianDot,HessianLine,4)
c头文件的声明是：
EXTERN_C bool RunHessianMultiThread
(const short imgData, const float Sigma, int ImageLength,
float HessianDot, float HessianLine = NULL, const int NumOfThreads = 1 );
怎么可以让这个函数返回多个值呢？
