1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>ip::basic_resolver_query::basic_resolver_query (2 of 4 overloads)</title> 5<link rel="stylesheet" href="../../../../../../doc/src/boostbook.css" type="text/css"> 6<meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> 7<link rel="home" href="../../../../boost_asio.html" title="Boost.Asio"> 8<link rel="up" href="../basic_resolver_query.html" title="ip::basic_resolver_query::basic_resolver_query"> 9<link rel="prev" href="overload1.html" title="ip::basic_resolver_query::basic_resolver_query (1 of 4 overloads)"> 10<link rel="next" href="overload3.html" title="ip::basic_resolver_query::basic_resolver_query (3 of 4 overloads)"> 11</head> 12<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> 13<table cellpadding="2" width="100%"><tr> 14<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../../boost.png"></td> 15<td align="center"><a href="../../../../../../index.html">Home</a></td> 16<td align="center"><a href="../../../../../../libs/libraries.htm">Libraries</a></td> 17<td align="center"><a href="http://www.boost.org/users/people.html">People</a></td> 18<td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> 19<td align="center"><a href="../../../../../../more/index.htm">More</a></td> 20</tr></table> 21<hr> 22<div class="spirit-nav"> 23<a accesskey="p" href="overload1.html"><img src="../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../basic_resolver_query.html"><img src="../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../../../boost_asio.html"><img src="../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="overload3.html"><img src="../../../../../../doc/src/images/next.png" alt="Next"></a> 24</div> 25<div class="section"> 26<div class="titlepage"><div><div><h5 class="title"> 27<a name="boost_asio.reference.ip__basic_resolver_query.basic_resolver_query.overload2"></a><a class="link" href="overload2.html" title="ip::basic_resolver_query::basic_resolver_query (2 of 4 overloads)">ip::basic_resolver_query::basic_resolver_query 28 (2 of 4 overloads)</a> 29</h5></div></div></div> 30<p> 31 Construct with specified service name for a given protocol. 32 </p> 33<pre class="programlisting">basic_resolver_query( 34 const protocol_type & protocol, 35 const std::string & service, 36 resolver_query_base::flags resolve_flags = passive|address_configured); 37</pre> 38<p> 39 This constructor is typically used to perform name resolution for local 40 service binding with a specific protocol version. 41 </p> 42<h6> 43<a name="boost_asio.reference.ip__basic_resolver_query.basic_resolver_query.overload2.h0"></a> 44 <span class="phrase"><a name="boost_asio.reference.ip__basic_resolver_query.basic_resolver_query.overload2.parameters"></a></span><a class="link" href="overload2.html#boost_asio.reference.ip__basic_resolver_query.basic_resolver_query.overload2.parameters">Parameters</a> 45 </h6> 46<div class="variablelist"> 47<p class="title"><b></b></p> 48<dl class="variablelist"> 49<dt><span class="term">protocol</span></dt> 50<dd><p> 51 A protocol object, normally representing either the IPv4 or IPv6 52 version of an internet protocol. 53 </p></dd> 54<dt><span class="term">service</span></dt> 55<dd><p> 56 A string identifying the requested service. This may be a descriptive 57 name or a numeric string corresponding to a port number. 58 </p></dd> 59<dt><span class="term">resolve_flags</span></dt> 60<dd><p> 61 A set of flags that determine how name resolution should be performed. 62 The default flags are suitable for local service binding. 63 </p></dd> 64</dl> 65</div> 66<h6> 67<a name="boost_asio.reference.ip__basic_resolver_query.basic_resolver_query.overload2.h1"></a> 68 <span class="phrase"><a name="boost_asio.reference.ip__basic_resolver_query.basic_resolver_query.overload2.remarks"></a></span><a class="link" href="overload2.html#boost_asio.reference.ip__basic_resolver_query.basic_resolver_query.overload2.remarks">Remarks</a> 69 </h6> 70<p> 71 On POSIX systems, service names are typically defined in the file <code class="computeroutput">/etc/services</code>. 72 On Windows, service names may be found in the file <code class="computeroutput">c:\windows\system32\drivers\etc\services</code>. 73 Operating systems may use additional locations when resolving service 74 names. 75 </p> 76</div> 77<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 78<td align="left"></td> 79<td align="right"><div class="copyright-footer">Copyright © 2003-2020 Christopher M. 80 Kohlhoff<p> 81 Distributed under the Boost Software License, Version 1.0. (See accompanying 82 file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>) 83 </p> 84</div></td> 85</tr></table> 86<hr> 87<div class="spirit-nav"> 88<a accesskey="p" href="overload1.html"><img src="../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../basic_resolver_query.html"><img src="../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../../../boost_asio.html"><img src="../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="overload3.html"><img src="../../../../../../doc/src/images/next.png" alt="Next"></a> 89</div> 90</body> 91</html> 92
