<!-- - Copyright (C) 2004 Internet Systems Consortium, Inc. ("ISC") - Copyright (C) 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 ISC DISCLAIMS ALL WARRANTIES WITH - REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY - AND FITNESS. IN NO EVENT SHALL ISC 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. --> <!-- $Id: lwres_gai_strerror.html,v 1.5.2.1.4.2 2004/08/22 23:39:03 marka Exp $ --> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <HTML ><HEAD ><TITLE >lwres_gai_strerror</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.7"></HEAD ><BODY CLASS="REFENTRY" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><H1 ><A NAME="AEN1" ></A >lwres_gai_strerror</H1 ><DIV CLASS="REFNAMEDIV" ><A NAME="AEN8" ></A ><H2 >Name</H2 >gai_strerror -- print suitable error string</DIV ><DIV CLASS="REFSYNOPSISDIV" ><A NAME="AEN11" ></A ><H2 >Synopsis</H2 ><DIV CLASS="FUNCSYNOPSIS" ><P ></P ><A NAME="AEN12" ></A ><PRE CLASS="FUNCSYNOPSISINFO" >#include <lwres/netdb.h></PRE ><P ><CODE ><CODE CLASS="FUNCDEF" >char * gai_strerror</CODE >(int ecode);</CODE ></P ><P ></P ></DIV ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN18" ></A ><H2 >DESCRIPTION</H2 ><P ><CODE CLASS="FUNCTION" >lwres_gai_strerror()</CODE > returns an error message corresponding to an error code returned by <CODE CLASS="FUNCTION" >getaddrinfo()</CODE >. The following error codes and their meaning are defined in <TT CLASS="FILENAME" >include/lwres/netdb.h</TT >. <P ></P ><DIV CLASS="VARIABLELIST" ><DL ><DT ><SPAN CLASS="ERRORCODE" >EAI_ADDRFAMILY</SPAN ></DT ><DD ><P >address family for hostname not supported</P ></DD ><DT ><SPAN CLASS="ERRORCODE" >EAI_AGAIN</SPAN ></DT ><DD ><P >temporary failure in name resolution</P ></DD ><DT ><SPAN CLASS="ERRORCODE" >EAI_BADFLAGS</SPAN ></DT ><DD ><P >invalid value for <CODE CLASS="CONSTANT" >ai_flags</CODE ></P ></DD ><DT ><SPAN CLASS="ERRORCODE" >EAI_FAIL</SPAN ></DT ><DD ><P >non-recoverable failure in name resolution</P ></DD ><DT ><SPAN CLASS="ERRORCODE" >EAI_FAMILY</SPAN ></DT ><DD ><P ><CODE CLASS="CONSTANT" >ai_family</CODE > not supported</P ></DD ><DT ><SPAN CLASS="ERRORCODE" >EAI_MEMORY</SPAN ></DT ><DD ><P >memory allocation failure</P ></DD ><DT ><SPAN CLASS="ERRORCODE" >EAI_NODATA</SPAN ></DT ><DD ><P >no address associated with hostname</P ></DD ><DT ><SPAN CLASS="ERRORCODE" >EAI_NONAME</SPAN ></DT ><DD ><P >hostname or servname not provided, or not known</P ></DD ><DT ><SPAN CLASS="ERRORCODE" >EAI_SERVICE</SPAN ></DT ><DD ><P >servname not supported for <CODE CLASS="CONSTANT" >ai_socktype</CODE ></P ></DD ><DT ><SPAN CLASS="ERRORCODE" >EAI_SOCKTYPE</SPAN ></DT ><DD ><P ><CODE CLASS="CONSTANT" >ai_socktype</CODE > not supported</P ></DD ><DT ><SPAN CLASS="ERRORCODE" >EAI_SYSTEM</SPAN ></DT ><DD ><P >system error returned in errno</P ></DD ></DL ></DIV > The message <SPAN CLASS="ERRORNAME" >invalid error code</SPAN > is returned if <VAR CLASS="PARAMETER" >ecode</VAR > is out of range.</P ><P ><CODE CLASS="CONSTANT" >ai_flags</CODE >, <CODE CLASS="CONSTANT" >ai_family</CODE > and <CODE CLASS="CONSTANT" >ai_socktype</CODE > are elements of the <SPAN CLASS="TYPE" >struct addrinfo</SPAN > used by <CODE CLASS="FUNCTION" >lwres_getaddrinfo()</CODE >.</P ></DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN92" ></A ><H2 >SEE ALSO</H2 ><P ><SPAN CLASS="CITEREFENTRY" ><SPAN CLASS="REFENTRYTITLE" >strerror</SPAN >(3)</SPAN >, <SPAN CLASS="CITEREFENTRY" ><SPAN CLASS="REFENTRYTITLE" >lwres_getaddrinfo</SPAN >(3)</SPAN >, <SPAN CLASS="CITEREFENTRY" ><SPAN CLASS="REFENTRYTITLE" >getaddrinfo</SPAN >(3)</SPAN >, <SPAN CLASS="CITEREFENTRY" ><SPAN CLASS="REFENTRYTITLE" >RFC2133</SPAN ></SPAN >.</P ></DIV ></BODY ></HTML >