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Date: Tue,  7 Oct 2014 17:35:00 +0200
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From: =?UTF-8?B?QmVuY2UgRsOhYmnDoW4=?= <begnoc@gmail.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
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Subject: Re: [9fans] C question on struct Biobuf in bio.h
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hi,

no, it is an anonym field.  and it is used in a way that is not part
of ansi c.  there is an extension in newer versions of gcc which
supports it, but if you wan't to port plan 9 c to unix you can use the
libs from plan9port.  that's far more easier.

bence

2014-10-07 17:24 GMT+02:00 Carsten Kunze <carsten.kunze@arcor.de>:

> Hello,
>
> in bio.h there is a
>
> struct  Biobuf
> {
>         Biobufhdr;
>         uchar   b[Bungetsize+Bsize];
> };
>
> where Biobufhdr is declared as
>
> typedef struct  Biobufhdr       Biobufhdr;
>
> To make it compile with gcc under UNIX I changed the struct to
>
> struct  Biobuf
> {
>         Biobufhdr Biobufhdr;
>         uchar   b[Bungetsize+Bsize];
> };
>
> but is that what is meant by the original description above?
>
>    Carsten
>
>

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<div dir=3D"ltr"><div><div>hi,<br><br></div>no, it is an anonym field.=C2=
=A0 and it is used in a way that is not part<br>of ansi c.=C2=A0 there is a=
n extension in newer versions of gcc which<br>supports it, but if you wan&#=
39;t to port plan 9 c to unix you can use the<br>libs from plan9port.=C2=A0=
 that&#39;s far more easier.<br><br></div>bence<br></div><div class=3D"gmai=
l_extra"><br><div class=3D"gmail_quote">2014-10-07 17:24 GMT+02:00 Carsten =
Kunze <span dir=3D"ltr">&lt;<a href=3D"mailto:carsten.kunze@arcor.de" targe=
t=3D"_blank">carsten.kunze@arcor.de</a>&gt;</span>:<br><blockquote class=3D=
"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding=
-left:1ex">Hello,<br>
<br>
in bio.h there is a<br>
<br>
struct=C2=A0 Biobuf<br>
{<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 Biobufhdr;<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 uchar=C2=A0 =C2=A0b[Bungetsize+Bsize];<br>
};<br>
<br>
where Biobufhdr is declared as<br>
<br>
typedef struct=C2=A0 Biobufhdr=C2=A0 =C2=A0 =C2=A0 =C2=A0Biobufhdr;<br>
<br>
To make it compile with gcc under UNIX I changed the struct to<br>
<br>
struct=C2=A0 Biobuf<br>
{<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 Biobufhdr Biobufhdr;<br>
=C2=A0 =C2=A0 =C2=A0 =C2=A0 uchar=C2=A0 =C2=A0b[Bungetsize+Bsize];<br>
};<br>
<br>
but is that what is meant by the original description above?<br>
<span class=3D"HOEnZb"><font color=3D"#888888"><br>
=C2=A0 =C2=A0Carsten<br>
<br>
</font></span></blockquote></div><br></div>

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