[chbot] C99 quirk

Charles Manning cdhmanning at gmail.com
Sun Nov 11 21:41:13 GMT 2018

Having used C continuously since 1984, I thought I had a close to
exhaustive understanding of C.

Today I discovered something new, which looks potentially handy, but also
looks pretty dangerous too:


I discovered this inadvertently when I got the following compilation error:

connection.c:59:18: error: parameter ‘good’ has just a forward declaration
         uint32_t good;

Live and learn...
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