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-<html xmlns="http://www.w3.org/1999/xhtml"> |
-<head> |
-<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" /> |
-<title> UDT Reference</title> |
-<link rel="stylesheet" href="udtdoc.css" type="text/css" /> |
-</head> |
- |
-<body> |
-<div class="ref_head"> UDT Reference: Functions</div> |
- |
-<h4 class="func_name"><strong>socket</strong></h4> |
-<p>The <b>socket</b> method creates a new UDT socket.</p> |
- |
-<div class="code">UDTSOCKET socket(<br /> |
- int <font color="#FFFFFF">af</font>,<br /> |
- int <font color="#FFFFFF">type</font>,<br /> |
- int <font color="#FFFFFF">protocol</font><br /> |
-);</div> |
- |
-<h5>Parameters</h5> |
-<dl> |
- <dt><i>af</i></dt> |
- <dd>[in] IP Family: AF_INET or AF_INET6.</dd> |
- <dt><em>type</em></dt> |
- <dd>[in] Type of the socket: SOCK_STREAM or SOCK_DGRAM.</dd> |
- <dt><em>protocol</em></dt> |
- <dd>[in] Ignored. For compatibility only.</dd> |
-</dl> |
- |
-<h5>Return Value</h5> |
-<p>If no error occurs, <b>socket</b> returns the new UDT socket descriptor; otherwise, it returns UDT::INVALID_SOCK and the error information can be retrieved by <a |
-href="error.htm">getlasterror</a>.</p> |
- |
-<table width="100%" border="1" cellpadding="1" cellspacing="0" bordercolor="#CCCCCC"> |
- <tr> |
- <td width="17%" class="table_headline"><strong>Error Name</strong></td> |
- <td width="17%" class="table_headline"><strong>Error Code</strong></td> |
- <td width="83%" class="table_headline"><strong>Comment</strong></td> |
- </tr> |
- <tr> |
- <td>EINVPARAM</td> |
- <td>5003</td> |
- <td>Invalid parameters.</td> |
- </tr> |
-</table> |
- |
-<h5>Description</h5> |
-<p>The <strong>socket</strong> methods creates a new socket. The is no limits for the number of UDT sockets in one system, as long as there is enough system |
-resource. UDT supports both IPv4 and IPv6, which can be selected by the <i>af</i> parameter. On the other hand, two socket types are supports in UDT, i.e., |
-SOCK_STREAM for data streaming and SOCK_DGRAM for messaging. Note that UDT sockets are connection oriented in all cases.</p> |
- |
-<h5>See Also</h5> |
-<p><strong><a href="close.htm">close</a></strong></p> |
- |
-<p> </p> |
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