g++ problems

[Tom and Esther Ward]

Yes, when you have functions of type int, double, etc they will return some
sort of value. Usually, you would return something useful like a calculation
or pull something from a class, but when nothing is to be returned then it
must return 0.

----- Original Message -----
From: "Sean McMahon" <smcmahon at usgs.gov>
To: "Speakup is a screen review system for Linux." <speakup at braille.uwo.ca>
Sent: Thursday, April 01, 2004 11:52 AM
Subject: Re: g++ problems


> Another thing, doesn't return take an argument, return (0);
>
> ----- Original Message -----
> From: "Tom and Esther Ward" <tward1978 at earthlink.net>
> To: "Speakup is a screen review system for Linux."
<speakup at braille.uwo.ca>
> Sent: Wednesday, March 31, 2004 11:50 PM
> Subject: Re: g++ problems
>
>
> > Hi, my answers are below nested in the body of your message.
> >
> > ----- Original Message -----
> > From: "Kyrath. (AKA Rob)" <kyrath at cox.net>
> > To: "Speakup" <speakup at braille.uwo.ca>
> > Sent: Wednesday, March 31, 2004 3:44 PM
> > Subject: g++ problems
> >
> >
> > Hi,
> >
> > A few of you have been trying to help me get going with compiling C++
code,
> > but so far there's been no joy.
> >
> > The messages I'm getting are scrolling off the screen, but quite a few
of
> > them refer to:
> > /usr/include/c++/3.2.3/i486-slackware-linux/bits/gthr-default.h
> >
> > I have never seen this error in gcc/g++, and I can only think of two
> > possibilities. One, the wrong arguments were passed to g++. Second, this
was
> > a bad installation of gcc/g++.
> >
> > Is there something that needs to be done to gcc before it becomes fully
> > operational?
> >
> > No, gcc and g++ should work fine right after the initial installation.
> >
> > Here's a copy of the code I last tried to compile:
> >
> > #include <iostream>
> > using namespace std;
> >
> > int main()
> > {
> >    cout << "Hello World!\n";
> >    return 0;
> > }
> >
> > Your code looks fine so far.
> >
> > Also, I was informed by a few of you that the modern C++ uses "iostream"
> > with a "using namespace std;" instead of the "iostream.h" for the
include.
> > Does this mean that gcc is not backward compatible and will not compile
> > older source code without modifications?
> >
> > Gcc in most cases is backward compatible with older code, but it will
send
> > several warning messages that the code is deprecated and needs to be
> > updated.
> > The warnings are usually harmless in nature, but are quite annoying, and
as
> > a new programmer it is best to use the new standards and not start with
> > deprecated material.
> >
> > Thanks
> > -- Rob
> > _______________________________________________
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> >
> >
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