On 05.08.2019, at 23:34, Marton Balint <c...@passwd.hu> wrote:

> These functions can be used to print a variable number of strings 
> consecutively
> to the IO context. Unlike av_bprintf, no temporery buffer is necessary.

Hm, is there a use-example patch I missed?
Also is the #define ugliness worth it compared to just requiring NULL 
termination?
You can use the sentinel function attribute to have the compiler check that 
users do not forget it.
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