Re: documentation for error codes?

D. R. Evans wrote:
> Many functions say about the return value:
>   0 on success otherwise a negative error code
>
> Where is the documentation for the various possible "negative error code"s?

<https://www.alsa-project.org/alsa-doc/alsa-lib/group___error.html> has a list
of error codes defined by ALSA itself.  But for all other errors, ALSA just
uses the (negative) POSIX error code.

> I am seeing a -32 under a specific set of circumstances

32 = EPIPE

> but don't know what that returned value means

PCM stream stopped due to overrun or underrun.


Regards,
Clemens