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<!-- Copyright (C) 2003 Red Hat, Inc.                                --><!-- This material may be distributed only subject to the terms      --><!-- and conditions set forth in the Open Publication License, v1.0  --><!-- or later (the latest version is presently available at          --><!-- http://www.opencontent.org/openpub/).                           --><!-- Distribution of the work or derivative of the work in any       --><!-- standard (paper) book form is prohibited unless prior           --><!-- permission is obtained from the copyright holder.               --><HTML><HEAD><TITLE>iso_addr</TITLE><meta name="MSSmartTagsPreventParsing" content="TRUE"><METANAME="GENERATOR"CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+"><LINKREL="HOME"TITLE="eCos Reference Manual"HREF="ecos-ref.html"><LINKREL="UP"TITLE="TCP/IP Library Reference"HREF="tcpip-library-reference.html"><LINKREL="PREVIOUS"TITLE="ipx"HREF="net-common-tcpip-manpages-ipx.html"><LINKREL="NEXT"TITLE="link_addr"HREF="net-common-tcpip-manpages-link-addr.html"></HEAD><BODYCLASS="SECT1"BGCOLOR="#FFFFFF"TEXT="#000000"LINK="#0000FF"VLINK="#840084"ALINK="#0000FF"><DIVCLASS="NAVHEADER"><TABLESUMMARY="Header navigation table"WIDTH="100%"BORDER="0"CELLPADDING="0"CELLSPACING="0"><TR><THCOLSPAN="3"ALIGN="center">eCos Reference Manual</TH></TR><TR><TDWIDTH="10%"ALIGN="left"VALIGN="bottom"><AHREF="net-common-tcpip-manpages-ipx.html"ACCESSKEY="P">Prev</A></TD><TDWIDTH="80%"ALIGN="center"VALIGN="bottom">Chapter 38. TCP/IP Library Reference</TD><TDWIDTH="10%"ALIGN="right"VALIGN="bottom"><AHREF="net-common-tcpip-manpages-link-addr.html"ACCESSKEY="N">Next</A></TD></TR></TABLE><HRALIGN="LEFT"WIDTH="100%"></DIV><DIVCLASS="SECT1"><H1CLASS="SECT1"><ANAME="NET-COMMON-TCPIP-MANPAGES-ISO-ADDR">iso_addr</H1><TABLEBORDER="5"BGCOLOR="#E0E0F0"WIDTH="70%"><TR><TD><PRECLASS="SCREEN">ISO_ADDR(3)             System Library Functions Manual            ISO_ADDR(3)NAME     iso_addr, iso_ntoa - network address conversion routines for Open System     InterconnectionSYNOPSIS     #include &lt;sys/types.h&#62;     #include &lt;netiso/iso.h&#62;     struct iso_addr *     iso_addr(char *cp);     char *     iso_ntoa(struct iso_addr *isoa);DESCRIPTION     The routine iso_addr() interprets character strings representing OSI     addresses, returning binary information suitable for use in system calls.     The routine iso_ntoa() takes OSI addresses and returns ASCII strings rep-     resenting NSAPs (network service access points) in a notation inverse to     that accepted by iso_addr().     Unfortunately, no universal standard exists for representing OSI network     addresses.     The format employed by iso_addr() is a sequence of hexadecimal ``digits''     (optionally separated by periods), of the form:           &lt;hex digits&#62;.&lt;hex digits&#62;.&lt;hex digits&#62;     Each pair of hexadecimal digits represents a byte with the leading digit     indicating the higher-ordered bits.  A period following an even number of     bytes has no effect (but may be used to increase legibility).  A period     following an odd number of bytes has the effect of causing the byte of     address being translated to have its higher order bits filled with zeros.RETURN VALUES     iso_ntoa() always returns a null terminated string.  iso_addr() always     returns a pointer to a struct iso_addr.  (See BUGS.)SEE ALSO     iso(4)HISTORY     The iso_addr() and iso_ntoa() functions appeared in 4.3BSD-Reno.BUGS     The returned values reside in a static memory area.     The function iso_addr() should diagnose improperly formed input, and     there should be an unambiguous way to recognize this.BSD                              June 4, 1993                              BSD    </PRE></TD></TR></TABLE></DIV><DIVCLASS="NAVFOOTER"><HRALIGN="LEFT"WIDTH="100%"><TABLESUMMARY="Footer navigation table"WIDTH="100%"BORDER="0"CELLPADDING="0"CELLSPACING="0"><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top"><AHREF="net-common-tcpip-manpages-ipx.html"ACCESSKEY="P">Prev</A></TD><TDWIDTH="34%"ALIGN="center"VALIGN="top"><AHREF="ecos-ref.html"ACCESSKEY="H">Home</A></TD><TDWIDTH="33%"ALIGN="right"VALIGN="top"><AHREF="net-common-tcpip-manpages-link-addr.html"ACCESSKEY="N">Next</A></TD></TR><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top">ipx</TD><TDWIDTH="34%"ALIGN="center"VALIGN="top"><AHREF="tcpip-library-reference.html"ACCESSKEY="U">Up</A></TD><TDWIDTH="33%"ALIGN="right"VALIGN="top">link_addr</TD></TR></TABLE></DIV></BODY></HTML>
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