casts to (void)

[Ron Natalie <ron>]

> I just checked the manual page on printf(3), both on this machine (2.xbsd),
> and on one of the local vaxen (4.2bsd, with local hacks).  Neither documents
> a return value for printf, under normal or erroneous circumstances.  How does
> one check?  
> 
Obviously didn't look very hard.  In INTRO(3S) which is an introduction
to all the STDIO routines has a DIAGNOSTICS heading that describes the
uniform error returns for all subroutines in the package.

-Ron