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From: wij <wyniijj5@gmail.com>
Newsgroups: comp.lang.c
Subject: Re: Can 'graphics' be a file descriptor?
Date: Wed, 01 Jan 2025 19:05:11 +0800
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On Wed, 2025-01-01 at 01:29 -0800, Keith Thompson wrote:
> wij <wyniijj5@gmail.com> writes:
> > In recent revision of libwy (a C++ library that wraps Clib functions), =
I feel
> > the so called 'graphics' can be a file descriptor.
>=20
> A file *descriptor* is a small integer referring to some file-like
> entity, used with open/close/read/write.=C2=A0 There's no such thing in
> standard C; it's a POSIX concept.
>=20
> I don't think you're actually working with file descriptors, though it's
> hard to tell.
>=20
> > =C2=A0 if((r=3Dpopen(GrSvr,cpid,frd,fwr))!=3DOk) {
> > =C2=A0=C2=A0=C2=A0 WY_THROW(r);
> > =C2=A0 }
>=20
> popen() is a POSIX function.=C2=A0 It takes two arguments, not four.
>=20
> The code you posted is C++.=C2=A0 Why are you posting it to comp.lang.c?
>=20
> [...]

I would like to have opinions about the idea "graphics being a file descrip=
tor".
The implement is irrevent for the discussion. Some imagination is required.