How can I serialize a struct into a file in the style of C?

[Adam D. Ruppe via Digitalmars-d-learn]

On Sunday, 23 July 2017 at 02:07:45 UTC, solidstate1991 wrote:
> Well, it seems the toStringz() function adds a few garbage 
> characters to the end of the filename

How are you using it? The only character it should be adding is 
the zero terminator.

I suspect you might be using it on a static array without slicing 
it down to size first...