FreeMat: CTYPECAST Cast FreeMat Structure to C Structure

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CTYPECAST Cast FreeMat Structure to C Structure

Section: FreeMat External Interface

# Usage

The `ctypecast` function is a convenience function for ensuring that a FreeMat structure fits the definition of a C struct (as defined via `ctypedefine`. It does so by encoding the structure to a byte array using `ctypefreeze` and then recovering it using the `ctypethaw` function. The usage is simply

       s = ctypecast(s,typename)

where `s` is the structure and `typename` is the name of the C structure that describes the desired layout and types for elements of `s`. This function is equivalent to calling `ctypefreeze` and `ctypethaw` in succession on a FreeMat structure.