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+.\"
+.\" Copyright (C) 2000, 2001  Internet Software Consortium.
+.\"
+.\" Permission to use, copy, modify, and distribute this software for any
+.\" purpose with or without fee is hereby granted, provided that the above
+.\" copyright notice and this permission notice appear in all copies.
+.\"
+.\" THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM
+.\" DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
+.\" INTERNET SOFTWARE CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT,
+.\" INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
+.\" FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
+.\" NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
+.\" WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+.\"
+.TH "LWRES_HSTRERROR" "3" "Jun 30, 2000" "BIND9" ""
+.SH NAME
+lwres_herror, lwres_hstrerror \- lightweight resolver error message generation
+.SH SYNOPSIS
+\fB#include <lwres/netdb.h>
+.sp
+.na
+void
+lwres_herror(const char *s);
+.ad
+.sp
+.na
+const char *
+lwres_hstrerror(int err);
+.ad
+\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 lwres_h_errno.
+.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
+\fBResolver Error 0 (no error)\fR
+.TP
+\fBHOST_NOT_FOUND\fR
+\fBUnknown host\fR
+.TP
+\fBTRY_AGAIN\fR
+\fBHost name lookup failure\fR
+.TP
+\fBNO_RECOVERY\fR
+\fBUnknown server error\fR
+.TP
+\fBNO_DATA\fR
+\fBNo address associated with name\fR
+.SH "RETURN VALUES"
+.PP
+The string \fBUnknown resolver error\fR is returned by
+\fBlwres_hstrerror()\fR
+when the value of
+lwres_h_errno
+is not a valid error code.
+.SH "SEE ALSO"
+.PP
+\fBherror\fR(3),
+\fBlwres_hstrerror\fR(3).