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From: Paul Riley <paul@rileyriot.com>
To: Larry McVoy <lm@mcvoy.com>
Cc: tuhs <tuhs@minnie.tuhs.org>
Subject: Re: [TUHS] V6 Console IO
Date: Fri, 24 Jul 2020 12:41:38 +0800	[thread overview]
Message-ID: <CAD05_j0B+2qDBCXsLSM2fn6k=LO7L7WFO53TJL3aKaTG2QyDcg@mail.gmail.com> (raw)
In-Reply-To: <20200724025712.GL10855@mcvoy.com>

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Larry,

Thanks for that. The documentation for putchar says that it only puts the
low byte of the argument, so I assume that passing an int is ok.

Paul

*Paul Riley*


On Fri, 24 Jul 2020 at 10:57, Larry McVoy <lm@mcvoy.com> wrote:

> > int main() {
> > int c;
> > while ((c = getchar()) != EOF) {
> > putchar(c);
> > }
> > }
>
> int
> main()
> {
>         int     c;
>         char    C;
>
>         while ((c = getchar()) != EOF) {
>                 C = c;
>                 write(1, &C, 1);
>         }
> }
>

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  reply	other threads:[~2020-07-24  4:43 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-24  0:18 Paul Riley
2020-07-24  2:57 ` Larry McVoy
2020-07-24  4:41   ` Paul Riley [this message]
2020-07-24  4:54     ` Paul Riley
2020-07-24 14:01       ` Larry McVoy
2020-07-24  2:28 Noel Chiappa
2020-07-24  4:54 ` Paul Riley
2020-07-24 16:37   ` Random832
2020-07-24 17:15     ` Clem Cole
2020-07-25  2:45       ` Random832
2020-07-24 14:34 ` Clem Cole
2020-07-25  2:48   ` Paul Riley
2020-07-25  4:02     ` John Cowan
2020-07-25 15:09       ` Clem Cole
2020-07-25 15:31         ` Richard Salz
2020-07-26  1:08           ` Random832
2020-07-27  9:11             ` Paul Riley
2020-07-24 14:33 Noel Chiappa
2020-07-24 14:36 ` Clem Cole
2020-07-25  1:53   ` Dave Horsfall
2020-07-25 17:45 Noel Chiappa

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