On Mon, 03 Jan 2011 21:20:42 +0300 Anonymous <swell.k at gmail.com> wrote:
>
> Do you mean perror(1)?
>
> $ 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 */