Check serial port buffer

Check serial port buffer

[Iorga Alin]

Can anyoune tell me how can I check the first byte of the serial port 
buffer without removing it from the buffer?

thank you

Re: Check serial port buffer

[Daniel]

----- Original Message -----
From: "Iorga Alin" <aiorga@xnet.ro>
Newsgroups: ka.lists.linux.c.programming
Sent: Friday, April 26, 2002 2:17 PM
Subject: Check serial port buffer


> Can anyoune tell me how can I check the first byte of the serial port
> buffer without removing it from the buffer?
>
> thank you
>
> -
> To unsubscribe from this list: send the line "unsubscribe
linux-c-programming" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
>
>
>
> --------------------------------------------------------------------------
-----
>    Achtung: diese Newsgruppe ist eine unidirektional gegatete
Mailingliste.
>      Antworten nur per Mail an die im Reply-To-Header angegebene Adresse.
>                    Fragen zum Gateway -> newsmaster@inka.de.
> --------------------------------------------------------------------------
----

doesn't ungetch() work ?

Re: Check serial port buffer

[Glynn Clements]

Daniel wrote:

> > Can anyoune tell me how can I check the first byte of the serial port
> > buffer without removing it from the buffer?
> 
> doesn't ungetch() work ?

ungetc() puts the character back in the stdio buffer. It can't put it
back into the underlying OS stream.

-- 
Glynn Clements <glynn.clements@virgin.net>