kamailio/doc/tutorials/serdev/ip_addr.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE section PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" 
   "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">

<section id="ip_addr" xmlns:xi="http://www.w3.org/2001/XInclude">
    <sectioninfo>
	<revhistory>
	    <revision>
		<revnumber>$Revision$</revnumber>
		<date>$Date$</date>
	    </revision>
	</revhistory>
    </sectioninfo>
    
    <title>Structure <structname>ip_addr</structname></title>
    <para>
	The structure represents IPv4 or IPv6 address. It is defined in
	<filename>ip_addr.h</filename>.
	<programlisting>
struct ip_addr{
     unsigned int af;     /* address family: AF_INET6 or AF_INET */
     unsigned int len;    /* address len, 16 or 4 */
		
     /* 64 bits aligned address */
     union {
         unsigned int   addr32[4];
         unsigned short addr16[8];
         unsigned char  addr[16];
     }u;
};
	</programlisting>
    </para>
</section>