1<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>usb_urb_dir_in</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"><link rel="home" href="index.html" title="The Linux-USB Host Side API"><link rel="up" href="hostside.html" title="Chapter&#160;4.&#160;Host-Side Data Types and Macros"><link rel="prev" href="API-usb-fill-int-urb.html" title="usb_fill_int_urb"><link rel="next" href="API-usb-urb-dir-out.html" title="usb_urb_dir_out"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span class="phrase">usb_urb_dir_in</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="API-usb-fill-int-urb.html">Prev</a>&#160;</td><th width="60%" align="center">Chapter&#160;4.&#160;Host-Side Data Types and Macros</th><td width="20%" align="right">&#160;<a accesskey="n" href="API-usb-urb-dir-out.html">Next</a></td></tr></table><hr></div><div class="refentry"><a name="API-usb-urb-dir-in"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>usb_urb_dir_in &#8212; 
2     check if an URB describes an IN transfer
3 </p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><div class="funcsynopsis"><table border="0" class="funcprototype-table" summary="Function synopsis" style="cellspacing: 0; cellpadding: 0;"><tr><td><code class="funcdef">int <b class="fsfunc">usb_urb_dir_in </b>(</code></td><td>struct urb * <var class="pdparam">urb</var><code>)</code>;</td></tr></table><div class="funcprototype-spacer">&#160;</div></div></div><div class="refsect1"><a name="idp1115907860"></a><h2>Arguments</h2><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="parameter"><code>urb</code></em></span></dt><dd><p>
4     URB to be checked
5    </p></dd></dl></div></div><div class="refsect1"><a name="idp1115909428"></a><h2>Return</h2><p>
6   1 if <em class="parameter"><code>urb</code></em> describes an IN transfer (device-to-host),
7   otherwise 0.
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