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From: =?ISO-8859-15?Q?Hans-Bernhard_Br=F6ker?= <HBBroeker AT t-online DOT de>
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Subject: Re: Question about va_* macros
Date: Sat, 22 Dec 2012 02:54:36 +0100
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On 22.12.2012 01:52, Juan Manuel Guerrero wrote:

> The reason why I have asked this is because according to C99 or POSIX
> printf and scanf family of functions shall return EINVAL if there are
> insufficient arguments.

At least for C99 itself, I'm pretty sure there cannot be any such 
requirment.  The term EINVAL is not mentioned at all in C99, nor C11 for 
that matter.  What both C99 and C11 actually say, for both fscanf and 
fprint, is:

 > If there are insufficient arguments for the format, the behavior is
 > undefined.