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>ISO_ADDR(3)             System Library Functions Manual            ISO_ADDR(3)
 
NAME
     iso_addr, iso_ntoa - network address conversion routines for Open System
     Interconnection
 
SYNOPSIS
     #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
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1	28	unneback	`<!-- Copyright (C) 2003 Red Hat, Inc. -->`
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3			`<!-- and conditions set forth in the Open Publication License, v1.0 -->`
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66			`><TD`
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85			`NAME="NET-COMMON-TCPIP-MANPAGES-ISO-ADDR">iso_addr</H1`
86			`><TABLE`
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92			`><PRE`
93			`CLASS="SCREEN"`
94			`>ISO_ADDR(3) System Library Functions Manual ISO_ADDR(3)`
95
96			`NAME`
97			`iso_addr, iso_ntoa - network address conversion routines for Open System`
98			`Interconnection`
99
100			`SYNOPSIS`
101			`#include <sys/types.h>`
102			`#include <netiso/iso.h>`
103
104			`struct iso_addr *`
105			`iso_addr(char *cp);`
106
107			`char *`
108			`iso_ntoa(struct iso_addr *isoa);`
109
110			`DESCRIPTION`
111			`The routine iso_addr() interprets character strings representing OSI`
112			`addresses, returning binary information suitable for use in system calls.`
113			`The routine iso_ntoa() takes OSI addresses and returns ASCII strings rep-`
114			`resenting NSAPs (network service access points) in a notation inverse to`
115			`that accepted by iso_addr().`
116
117			`Unfortunately, no universal standard exists for representing OSI network`
118			`addresses.`
119
120			The format employed by iso_addr() is a sequence of hexadecimal ``digits''
121			`(optionally separated by periods), of the form:`
122
123			`<hex digits>.<hex digits>.<hex digits>`
124
125			`Each pair of hexadecimal digits represents a byte with the leading digit`
126			`indicating the higher-ordered bits. A period following an even number of`
127			`bytes has no effect (but may be used to increase legibility). A period`
128			`following an odd number of bytes has the effect of causing the byte of`
129			`address being translated to have its higher order bits filled with zeros.`
130
131			`RETURN VALUES`
132			`iso_ntoa() always returns a null terminated string. iso_addr() always`
133			`returns a pointer to a struct iso_addr. (See BUGS.)`
134
135			`SEE ALSO`
136			`iso(4)`
137
138			`HISTORY`
139			`The iso_addr() and iso_ntoa() functions appeared in 4.3BSD-Reno.`
140
141			`BUGS`
142			`The returned values reside in a static memory area.`
143
144			`The function iso_addr() should diagnose improperly formed input, and`
145			`there should be an unambiguous way to recognize this.`
146
147			`BSD June 4, 1993 BSD`
148			`</PRE`
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