getopt()

[k_over_hbarc@yahoo.com]

What is the correct format of getopt() and how does it work? I looked
at the man page; it doesn't really clarify things. What's a program
that uses it, maybe I could figure it out from that.

Note: This is on-topic. getopt is part of the standard library.

Andrew Usher

[Arthur J. O'Dwyer]

Re: getopt()


[fups set to c.p]

On Sun, 5 Nov 2005 k_over_hbarc@ya hoo.com wrote:[color=blue]
>
> What is the correct format of getopt() and how does it work? I looked
> at the man page; it doesn't really clarify things. What's a program
> that uses it, maybe I could figure it out from that.[/color]

man 3 getopt
(is not the same as)
man getopt
[color=blue]
> Note: This is on-topic. getopt is part of the standard library.[/color]

Note: getopt is certainly *NOT* part of the standard library; I don't
know where you got that idea. Questions such as yours which are not
related to ISO standard C should be directed to a group where they'd be
on-topic, such as comp.programmin g, one of the gnu. hierarchy, or perhaps
a Linux programming group.

-Arthur

[Ben Pfaff]

Re: getopt()

k_over_hbarc@ya hoo.com writes:
[color=blue]
> getopt is part of the standard library.[/color]

No it isn't.
--
"...deficie nt support can be a virtue.
It keeps the amateurs off."
--Bjarne Stroustrup

[k_over_hbarc@yahoo.com]

Re: getopt()

Ben Pfaff wrote:[color=blue]
> k_over_hbarc@ya hoo.com writes:
>[color=green]
> > getopt is part of the standard library.[/color]
>
> No it isn't.[/color]

??? It is in libc. Maybe it's Unix-specific, but C is Unix.

Andrew Usher

[Keith Thompson]

Re: getopt()

k_over_hbarc@ya hoo.com writes:[color=blue]
> Ben Pfaff wrote:[color=green]
>> k_over_hbarc@ya hoo.com writes:
>>[color=darkred]
>> > getopt is part of the standard library.[/color]
>>
>> No it isn't.[/color]
>
> ??? It is in libc. Maybe it's Unix-specific, but C is Unix.[/color]

libc is not the standard C library (i.e., the library defined by the C
language standard).

C is a language; Unix is an operating system. C is not Unix; Unix is
not C.

--
Keith Thompson (The_Other_Keit h) kst-u@mib.org <http://www.ghoti.net/~kst>
San Diego Supercomputer Center <*> <http://users.sdsc.edu/~kst>
We must do something. This is something. Therefore, we must do this.

[k_over_hbarc@yahoo.com]

Re: getopt()

Keith Thompson wrote:
[color=blue][color=green]
> > ??? It is in libc. Maybe it's Unix-specific, but C is Unix.[/color]
>
> libc is not the standard C library (i.e., the library defined by the C
> language standard).[/color]

That library doesn't exist! The only C is the one people actually use.
I don't care for bureaucratic s*** here more than anywhere else.
[color=blue]
> C is a language; Unix is an operating system. C is not Unix; Unix is
> not C.[/color]

I know that, obviously. But C is written for Unix and vice versa.

Andrew Usher

P.S. As far as getopt(), I wrote some test programs and I think I have
figured it out. It doesn't really work well with a ':' other than at
the end, though. I think anyone who's serious about processing command
lines would write his own modification.

[Keith Thompson]

Re: getopt()

k_over_hbarc@ya hoo.com writes:[color=blue]
> Keith Thompson wrote:[color=green][color=darkred]
>> > ??? It is in libc. Maybe it's Unix-specific, but C is Unix.[/color]
>>
>> libc is not the standard C library (i.e., the library defined by the C
>> language standard).[/color]
>
> That library doesn't exist! The only C is the one people actually use.
> I don't care for bureaucratic s*** here more than anywhere else.[/color]

The topic of this newsgroup is the C language as defined by the
standard (which doesn't include getopt). If you want to discuss
something else, there are other newsgroups; in comp.unix.progr ammer,
for example, they're far more likely to be able to answer your
questions than we are.

--
Keith Thompson (The_Other_Keit h) kst-u@mib.org <http://www.ghoti.net/~kst>
San Diego Supercomputer Center <*> <http://users.sdsc.edu/~kst>
We must do something. This is something. Therefore, we must do this.

[slebetman@gmail.com]

Re: getopt()

k_over_hbarc@ya hoo.com wrote:[color=blue]
> but C is Unix.[/color]

So what do you call Windows3.1 then? Unix??? It certainly was written
in C as much as any variant of Unix were.

I've written on systems where their libc includes support for CANbus
and ARCnet but I recognise that they were vendor specific additions to
libc. Just because gcc has its own extended libc doesn't mean that ALL
C compilers need to emulate it to conform to C standards (ANSI, C99,
etc).

[pete]

Re: getopt()

k_over_hbarc@ya hoo.com wrote:
[color=blue]
> I don't care for bureaucratic s*** here more than anywhere else.[/color]

I think the problem with this newgroup,
is that "comp.lang. c" is too easy to spell.

http://www.csclub.uwaterloo.ca/u/dj3...lc-welcome.txt

news:comp.unix. programmer

--
pete

[Martin Ambuhl]

Re: getopt()

k_over_hbarc@ya hoo.com wrote:
[color=blue]
> Note: This is on-topic. getopt is part of the standard library.[/color]

On what do you base this obviously false assertion?

[Nick Keighley]

Re: getopt()

k_over_hbarc@ya hoo.com wrote:[color=blue]
> Keith Thompson wrote:[/color]
[color=blue][color=green][color=darkred]
> > > ??? It is in libc. Maybe it's Unix-specific, but C is Unix.[/color]
> >
> > libc is not the standard C library (i.e., the library defined by the C
> > language standard).[/color]
>
> That library doesn't exist! The only C is the one people actually use.
> I don't care for bureaucratic s*** here more than anywhere else.[/color]

did you notice that you are the only person in this thread that thinks
that. Could it
perhaps be that you are wrong?

<snip>


--
Nick Keighley

The use of COBOL cripples the mind; its teaching should, therefore,
be regarded as a criminal offense. -E. W. Dijkstra

[Malcolm]

Re: getopt()

<k_over_hbarc@y ahoo.com> wrote[color=blue]
>
> That library doesn't exist! The only C is the one people actually use.
> I don't care for bureaucratic s*** here more than anywhere else.
>[/color]
It is not just bureaucratese.
If write a program in ANSI C, then you can guarantee that it will compile
and run on any system with a ANSI C compiler. If it doesn't you can complain
to the compiler vendor, and he will either have to post a fix or remove the
claim to ANSI compatibility.
On the other hand if you use a non-standard function like getopt(), you may
end up having to implement it youself. There is no getopt() on my Windows C
compiler, for instance.[color=blue]
>[color=green]
>> C is a language; Unix is an operating system. C is not Unix; Unix is
>> not C.[/color]
>
> I know that, obviously. But C is written for Unix and vice versa.
>[/color]
They grew up together. And C works more nicely on Unix than any other
system. However only a minority of my C programs have been for Unix - most
are either Windows or games console programs.

[Mike Wahler]

Re: getopt()


"Keith Thompson" <kst-u@mib.org> wrote in message
news:lnirv6b62q .fsf@nuthaus.mi b.org...[color=blue]
> k_over_hbarc@ya hoo.com writes:[color=green]
>> Ben Pfaff wrote:[color=darkred]
>>> k_over_hbarc@ya hoo.com writes:
>>>
>>> > getopt is part of the standard library.
>>>
>>> No it isn't.[/color]
>>
>> ??? It is in libc. Maybe it's Unix-specific, but C is Unix.[/color]
>
> libc is not the standard C library (i.e., the library defined by the C
> language standard).
>
> C is a language; Unix is an operating system. C is not Unix;[/color]

Let's start the CNU movement! :-)

-Mike

[William Ahern]

Re: getopt()

k_over_hbarc@ya hoo.com wrote:[color=blue]
> What is the correct format of getopt() and how does it work? I looked
> at the man page; it doesn't really clarify things. What's a program
> that uses it, maybe I could figure it out from that.[/color]
[color=blue]
> Note: This is on-topic. getopt is part of the standard library.[/color]

getopt is defined in the Standard Unix Specification, not ANSI C.
The online SUSv3 description has example usage:

http://www.opengroup.org/onlinepubs/009695399/functions/getopt.html

And of course, there are about a gazillion Free Software programs out there
that use getopt, all with viewable, usable and redistributable source code.

Direct any questions to comp.unix.progr ammer.

[Mark McIntyre]

Re: getopt()

On 5 Nov 2005 22:13:49 -0800, in comp.lang.c , k_over_hbarc@ya hoo.com
wrote:
[color=blue]
>Ben Pfaff wrote:[color=green]
>> k_over_hbarc@ya hoo.com writes:
>>[color=darkred]
>> > getopt is part of the standard library.[/color]
>>
>> No it isn't.[/color]
>
>??? It is in libc.[/color]

So are lots of things platform-specific.
[color=blue]
>Maybe it's Unix-specific,[/color]

It may be POSIX, but you'd have to ask in a unix group to find out.
[color=blue]
>but C is Unix.[/color]

Not since about 1970. Get with the right millenium
--
Mark McIntyre
CLC FAQ <http://www.eskimo.com/~scs/C-faq/top.html>
CLC readme: <http://www.ungerhu.com/jxh/clc.welcome.txt >

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