lwres_hstrerror.3

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.\" Copyright (C) 2000, 2001 Internet Software Consortium.
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.\" $Id: lwres_hstrerror.3,v 1.13.2.1.8.5 2005/10/13 02:33:53 marka Exp $
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.TH "LWRES_HSTRERROR" "3" "Jun 30, 2000" "BIND9" "BIND9"
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.nh
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.SH "NAME"
lwres_herror, lwres_hstrerror \- lightweight resolver error message generation
.SH "SYNOPSIS"
.nf
#include <lwres/netdb.h>
.fi
.HP 18
\fBvoid\ \fBlwres_herror\fR\fR\fB(\fR\fBconst\ char\ *s\fR\fB);\fR
.HP 29
\fBconst\ char\ *\ \fBlwres_hstrerror\fR\fR\fB(\fR\fBint\ err\fR\fB);\fR
.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:
.TP
\fBNETDB_SUCCESS\fR
Resolver Error 0 (no error)
.TP
\fBHOST_NOT_FOUND\fR
Unknown host
.TP
\fBTRY_AGAIN\fR
Host name lookup failure
.TP
\fBNO_RECOVERY\fR
Unknown server error
.TP
\fBNO_DATA\fR
No address associated with name
.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).