[Courses] [C] lesson8 questions & answers

[Jenn Vesperman]

On Mon, 2002-11-11 at 07:35, Morgon Kanter wrote:
> First, my question:
> Hey, why do we keep doing
> #include <stdio.h>
> at the beginning of programs? printf doesn't even seem 
> to be a part of that, as this change of one of your examples 
> compiles and works just fine:

printf is, in fact, part of the stdio (Standard Input/Output) library.
It and other IO functions are needed in most programs. 

All I can assume for 'so why does my program work without it' is that it
is SO standard that your compiler went 'oh, they forgot to include
stdio. I'll do it for them.'

Don't rely on such behaviour. :)


Jenn V.
-- 
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jenn at anthill.echidna.id.au     http://anthill.echidna.id.au/~jenn/