text: #ifndef	DATATYPES_H
  #define	DATATYPES_H
  
  typedef struct _tDComplex
  {
  	double real;
  	double imag;
  } tDComplex;
  
  typedef struct _tSComplex
  {
  	signed short real;
  	signed short imag;
  } tSComplex;
  
  typedef	struct _tSComplexBuf
  {
  	tSComplex* samples;
  	int	size;
  	int	fillcur;
  	int	fillnext;
  	int	used;
  } tSComplexBuf;
  #endif
  