lwres_hstrerror.3

来自「非常好的dns解析软件」· 3 代码 · 共 100 行

.\" Copyright (C) 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC")
.\" Copyright (C) 2000, 2001 Internet Software Consortium.
.\" 
.\" Permission to use, copy, modify, and distribute this software for any
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.\" PERFORMANCE OF THIS SOFTWARE.
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.\" $Id: lwres_hstrerror.3,v 1.16.18.11 2007/01/30 00:23:45 marka Exp $
.\"
.hy 0
.ad l
.\"     Title: lwres_hstrerror
.\"    Author: 
.\" Generator: DocBook XSL Stylesheets v1.71.1 <http://docbook.sf.net/>
.\"      Date: Jun 30, 2000
.\"    Manual: BIND9
.\"    Source: BIND9
.\"
.TH "LWRES_HSTRERROR" "3" "Jun 30, 2000" "BIND9" "BIND9"
.\" disable hyphenation
.nh
.\" disable justification (adjust text to left margin only)
.ad l
.SH "NAME"
lwres_herror, lwres_hstrerror \- lightweight resolver error message generation
.SH "SYNOPSIS"
.nf
#include <lwres/netdb.h>
.fi
.HP 18
.BI "void lwres_herror(const\ char\ *" "s" ");"
.HP 29
.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 "COPYRIGHT"
Copyright \(co 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC")
.br
Copyright \(co 2000, 2001 Internet Software Consortium.
.br