> Please, add the missing explicit conversions to silence the warning.
It is a bad idea. Besides, the GNU Coding Standard recommends not to do
explicit casting if it is not needed.
> Distributions like Debian want to be able to set a compiler flag which
> treats every warning as error.
Wow! I don't think it is a good idea, because then many legal C features
could not be used. What about "trust the programmer"? :)
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