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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <HTML ><HEAD ><TITLE >usb_init</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.79"><LINK REL="HOME" TITLE="libusb Developers Guide" HREF="index.html"><LINK REL="UP" TITLE="Core" HREF="ref.core.html"><LINK REL="PREVIOUS" TITLE="Core" HREF="ref.core.html"><LINK REL="NEXT" TITLE="usb_find_busses" HREF="function.usbfindbusses.html"><LINK REL="STYLESHEET" TYPE="text/css" HREF="/base.css"></HEAD ><BODY CLASS="REFENTRY" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE SUMMARY="Header navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" >libusb Developers Guide</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="ref.core.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" ></TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="function.usbfindbusses.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><H1 ><A NAME="FUNCTION.USBINIT" ></A >usb_init</H1 ><DIV CLASS="REFNAMEDIV" ><A NAME="AEN94" ></A ><H2 >Name</H2 >usb_init -- Initialize libusb</DIV ><DIV CLASS="REFSECT1" ><A NAME="AEN97" ></A ><H2 >Description</H2 ><DIV CLASS="FUNCSYNOPSIS" ><P ></P ><A NAME="AEN99" ></A ><P ><CODE ><CODE CLASS="FUNCDEF" >void usb_init</CODE >(void);</CODE ></P ><P ></P ></DIV ><P >Just like the name implies, <CODE CLASS="FUNCTION" >usb_init</CODE > sets up some internal structures. <CODE CLASS="FUNCTION" >usb_init</CODE > <SPAN CLASS="emphasis" ><I CLASS="EMPHASIS" >must</I ></SPAN > be called before any other libusb functions.</P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE SUMMARY="Footer navigation table" WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="ref.core.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="function.usbfindbusses.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >Core</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ref.core.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >usb_find_busses</TD ></TR ></TABLE ></DIV ></BODY ></HTML >