From: "A. Sinan Unur" <sinan DOT unur AT cornell DOT edu>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: cout problem
Date: Wed, 28 Jan 1998 18:17:34 -0500
Organization: Cornell University (http://www.cornell.edu/)
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MATTRUD wrote:
> 
> >maybe if you say also *which* error you got
> 
> Sorry, I thought that I mentioned this in my original posting. The 
> error I got was that cout was used without being initialized first. 
> But, according to the documentation, libio.h does initialize cout, as 
> well as cin and cerr. The listing again:
> 
> #include <libio.h>
> void main()
> {
>   cout << "Hello World!/n";
> }

your report is definitely not accurate. here's what happens when you try
to compile your program exactly as typed:

D:\djgpp\C\TEST> gcc -c ct.cc -Wall -O
ct.cc:3: warning: return type for `main' changed to integer type
ct.cc: In function `int main(...)':
ct.cc:4: `cout' undeclared (first use this function)
ct.cc:4: (Each undeclared identifier is reported only once
ct.cc:4: for each function it appears in.)

why do you include libio.h rather than iostream.h? don't forget to link
with libiostr.a or use gxx for the executable. use \n rather than /n. of
course, the proper way to do it with iostreams is

cout << "Hello World" << endl;
-- 
----------------------------------------------------------------------
A. Sinan Unur
Department of Policy Analysis and Management, College of Human Ecology,
Cornell University, Ithaca, NY 14853, USA

mailto:sinan DOT unur AT cornell DOT edu
http://www.people.cornell.edu/pages/asu1/