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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 >ipx</TITLE ><meta name="MSSmartTagsPreventParsing" content="TRUE"> <META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+ "><LINK REL="HOME" TITLE="eCos Reference Manual" HREF="ecos-ref.html"><LINK REL="UP" TITLE="TCP/IP Library Reference" HREF="tcpip-library-reference.html"><LINK REL="PREVIOUS" TITLE="inet_net" HREF="net-common-tcpip-manpages-inet-net.html"><LINK REL="NEXT" TITLE="iso_addr" HREF="net-common-tcpip-manpages-iso-addr.html"></HEAD ><BODY CLASS="SECT1" 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" >eCos Reference Manual</TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="net-common-tcpip-manpages-inet-net.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" >Chapter 38. TCP/IP Library Reference</TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="net-common-tcpip-manpages-iso-addr.html" ACCESSKEY="N" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="SECT1" ><H1 CLASS="SECT1" ><A NAME="NET-COMMON-TCPIP-MANPAGES-IPX">ipx</H1 ><TABLE BORDER="5" BGCOLOR="#E0E0F0" WIDTH="70%" ><TR ><TD ><PRE CLASS="SCREEN" >IPX(3) System Library Functions Manual IPX(3) NAME ipx_addr, ipx_ntoa - IPX address conversion routines SYNOPSIS #include <sys/types.h> #include <netipx/ipx.h> struct ipx_addr ipx_addr(const char *cp); char * ipx_ntoa(struct ipx_addr ipx); DESCRIPTION The routine ipx_addr() interprets character strings representing IPX addresses, returning binary information suitable for use in system calls. The routine ipx_ntoa() takes IPX addresses and returns ASCII strings rep- resenting the address in a notation in common use: <network number>.<host number>.<port number> Trailing zero fields are suppressed, and each number is printed in hex- adecimal, in a format suitable for input to ipx_addr(). Any fields lack- ing super-decimal digits will have a trailing `H' appended. An effort has been made to ensure that ipx_addr() be compatible with most formats in common use. It will first separate an address into 1 to 3 fields using a single delimiter chosen from period (`.'), colon (`:'), or pound-sign (`#'). Each field is then examined for byte separators (colon or period). If there are byte separators, each subfield separated is taken to be a small hexadecimal number, and the entirety is taken as a network-byte-ordered quantity to be zero extended in the high-network- order bytes. Next, the field is inspected for hyphens, in which case the field is assumed to be a number in decimal notation with hyphens separat- ing the millenia. Next, the field is assumed to be a number: It is interpreted as hexadecimal if there is a leading `0x' (as in C), a trail- ing `H' (as in Mesa), or there are any super-decimal digits present. It is interpreted as octal is there is a leading `0' and there are no super- octal digits. Otherwise, it is converted as a decimal number. RETURN VALUES None. (See BUGS.) SEE ALSO ns(4), hosts(5), networks(5) HISTORY The precursor ns_addr() and ns_ntoa() functions appeared in 4.3BSD. BUGS The string returned by ipx_ntoa() resides in a static memory area. The function ipx_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 ><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="net-common-tcpip-manpages-inet-net.html" ACCESSKEY="P" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ecos-ref.html" ACCESSKEY="H" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="net-common-tcpip-manpages-iso-addr.html" ACCESSKEY="N" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >inet_net</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="tcpip-library-reference.html" ACCESSKEY="U" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >iso_addr</TD ></TR ></TABLE ></DIV ></BODY ></HTML >
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