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From: Anonymous <swell.k@gmail.com>
To: Bakul Shah <bakul@bitblocks.com>
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Date: Mon, 03 Jan 2011 22:21:51 +0300
In-Reply-To: <20110103190245.4AA005B30@mail.bitblocks.com> (Bakul Shah's
	message of "Mon, 03 Jan 2011 11:02:45 -0800")
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Cc: freebsd-current@freebsd.org
Subject: Re: No human readable message with g_vfs
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Bakul Shah <bakul@bitblocks.com> writes:

> On Mon, 03 Jan 2011 21:20:42 +0300 Anonymous <swell.k@gmail.com>  wrote:
>>=20
>> Do you mean perror(1)?
>>=20
>>   $ perror 5
>>   Input/output error
>
> I prefer mine:
>
> $ errno () { grep "^#.*\\<$*\\>" /usr/include/sys/errno.h }
> $ errno 5
> #define EIO             5               /* Input/output error */
> $ errno EIO
> #define EIO             5               /* Input/output error */

perror(1) displays localized messages

  $ LANG=3Dja_JP.UTF-8 perror 5
  =E5=85=A5=E5=87=BA=E5=8A=9B=E3=82=A8=E3=83=A9=E3=83=BC=E3=81=A7=E3=81=99

  $ LANG=3Duk_UA.UTF-8 perror 5
  =D0=9F=D0=BE=D0=BC=D0=B8=D0=BB=D0=BA=D0=B0 =D0=B2=D0=B2=D0=BE=D0=B4=D1=83=
-=D0=B2=D0=B8=D0=B2=D0=BE=D0=B4=D1=83

but I have to agree that knowing errno macro is useful