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.\" Copyright (C) 2000, 2001, 2004, 2005, 2007, 2014-2016, 2018, 2019 Internet Systems Consortium, Inc. ("ISC")
.\"
.\" This Source Code Form is subject to the terms of the Mozilla Public
.\" License, v. 2.0. If a copy of the MPL was not distributed with this
.\" file, You can obtain one at http://mozilla.org/MPL/2.0/.
.\"
.hy 0
.ad l
'\" t
.\" Title: lwres_hstrerror
.\" Author:
.\" Generator: DocBook XSL Stylesheets v1.78.1 <http://docbook.sf.net/>
.\" Date: 2007-06-18
.\" Manual: BIND9
.\" Source: ISC
.\" Language: English
.\"
.TH "LWRES_HSTRERROR" "3" "2007\-06\-18" "ISC" "BIND9"
.\" -----------------------------------------------------------------
.\" * Define some portability stuff
.\" -----------------------------------------------------------------
.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.\" http://bugs.debian.org/507673
.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.ie \n(.g .ds Aq \(aq
.el .ds Aq '
.\" -----------------------------------------------------------------
.\" * set default formatting
.\" -----------------------------------------------------------------
.\" disable hyphenation
.nh
.\" disable justification (adjust text to left margin only)
.ad l
.\" -----------------------------------------------------------------
.\" * MAIN CONTENT STARTS HERE *
.\" -----------------------------------------------------------------
.SH "NAME"
lwres_herror, lwres_hstrerror \- lightweight resolver error message generation
.SH "SYNOPSIS"
.sp
.ft B
.nf
#include <lwres/netdb\&.h>
.fi
.ft
.HP \w'void\ lwres_herror('u
.BI "void lwres_herror(const\ char\ *" "s" ");"
.HP \w'const\ char\ *\ lwres_hstrerror('u
.BI "const char * lwres_hstrerror(int\ " "err" ");"
.SH "DESCRIPTION"
.PP
\fBlwres_herror()\fR
prints the string
\fIs\fR
on
\fBstderr\fR
followed by the string generated by
\fBlwres_hstrerror()\fR
for the error code stored in the global variable
\fBlwres_h_errno\fR\&.
.PP
\fBlwres_hstrerror()\fR
returns an appropriate string for the error code gievn by
\fIerr\fR\&. The values of the error codes and messages are as follows:
.PP
\fBNETDB_SUCCESS\fR
.RS 4
Resolver Error 0 (no error)
.RE
.PP
\fBHOST_NOT_FOUND\fR
.RS 4
Unknown host
.RE
.PP
\fBTRY_AGAIN\fR
.RS 4
Host name lookup failure
.RE
.PP
\fBNO_RECOVERY\fR
.RS 4
Unknown server error
.RE
.PP
\fBNO_DATA\fR
.RS 4
No address associated with name
.RE
.SH "RETURN VALUES"
.PP
The string
Unknown resolver error
is returned by
\fBlwres_hstrerror()\fR
when the value of
\fBlwres_h_errno\fR
is not a valid error code\&.
.SH "SEE ALSO"
.PP
\fBherror\fR(3),
\fBlwres_hstrerror\fR(3)\&.
.SH "AUTHOR"
.PP
\fBInternet Systems Consortium, Inc\&.\fR
.SH "COPYRIGHT"
.br
Copyright \(co 2000, 2001, 2004, 2005, 2007, 2014-2016, 2018, 2019 Internet Systems Consortium, Inc. ("ISC")
.br
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