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The following table shows C data types and the corresponding data types in LabVIEW MathScript. The table also shows whether the calllib MathScript function supports each C data type as an input, an output, or both.

C Data Type	Supported as Input?	Supported as Output?	MathScript Data Type
(unsigned) short, long, int, float, double	Yes	Yes	1×1 double array
(unsigned) short*, long*, int*, float*, double*	Yes	No	Double array
(unsigned) short**, long**, int**, float**, double**	Yes	No	Double array
(unsigned) char, char*, char**	Yes	Yes	Char array
void	Yes	Yes	None
void*, void**	No	No	Unsupported
struct	No	No	Unsupported
user-defined types	No	No	Unsupported