2fe8fb192f
There is important information about booting non-ack images in docs/UPDATING. ack/aout-format images can't be built any more, and booting clang/ELF-format ones is a little different. Updating to the new boot monitor is recommended. Changes in this commit: . drop boot monitor -> allowing dropping ack support . facility to copy ELF boot files to /boot so that old boot monitor can still boot fairly easily, see UPDATING . no more ack-format libraries -> single-case libraries . some cleanup of OBJECT_FMT, COMPILER_TYPE, etc cases . drop several ack toolchain commands, but not all support commands (e.g. aal is gone but acksize is not yet). . a few libc files moved to netbsd libc dir . new /bin/date as minix date used code in libc/ . test compile fix . harmonize includes . /usr/lib is no longer special: without ack, /usr/lib plays no kind of special bootstrapping role any more and bootstrapping is done exclusively through packages, so releases depend even less on the state of the machine making them now. . rename nbsd_lib* to lib* . reduce mtree
110 lines
3.5 KiB
Groff
110 lines
3.5 KiB
Groff
.\" $NetBSD: iso_addr.3,v 1.9 2009/04/11 15:32:03 joerg Exp $
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.\"
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.\" Copyright (c) 1993
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.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" @(#)iso_addr.3 8.1 (Berkeley) 6/4/93
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.\"
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.Dd June 4, 1993
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.Dt ISO_ADDR 3
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.Os
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.Sh NAME
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.Nm iso_addr ,
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.Nm iso_ntoa
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.Nd elementary network address conversion routines for Open System Interconnection
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.Sh LIBRARY
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.Lb libc
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.Sh SYNOPSIS
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.In sys/types.h
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.In netiso/iso.h
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.Ft struct iso_addr *
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.Fn iso_addr "const char *cp"
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.Ft char *
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.Fn iso_ntoa "struct iso_addr *isoa"
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.Sh DESCRIPTION
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The routine
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.Fn iso_addr
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interprets character strings representing
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.Tn OSI
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addresses, returning binary information suitable
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for use in system calls.
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The routine
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.Fn iso_ntoa
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takes
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.Tn OSI
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addresses and returns
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.Tn ASCII
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strings representing NSAPs (network service
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access points) in a
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notation inverse to that accepted by
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.Fn iso_addr .
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.Pp
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Unfortunately, no universal standard exists for representing
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.Tn OSI
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network addresses.
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.Pp
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The format employed by
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.Fn iso_addr
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is a sequence of hexadecimal
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.Dq digits
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(optionally separated by periods),
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of the form:
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.Bd -filled -offset indent
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\*[Lt]hex digits\*[Gt].\*[Lt]hex digits\*[Gt].\*[Lt]hex digits\*[Gt]
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.Ed
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.Pp
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Each pair of hexadecimal digits represents a byte
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with the leading digit indicating the higher-ordered bits.
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A period following an even number of bytes has no
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effect (but may be used to increase legibility).
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A period following an odd number of bytes has the
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effect of causing the byte of address being translated
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to have its higher order bits filled with zeros.
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.Sh RETURN VALUES
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.Fn iso_ntoa
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always returns a null terminated string.
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.Fn iso_addr
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always returns a pointer to a struct iso_addr.
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(See
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.Sx BUGS . )
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.Sh SEE ALSO
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.Xr iso 4
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.Sh HISTORY
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The
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.Fn iso_addr
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and
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.Fn iso_ntoa
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functions appeared in
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.Bx 4.3 Reno .
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.Sh BUGS
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The returned values
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reside in a static memory area.
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.Pp
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The function
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.Fn iso_addr
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should diagnose improperly formed input, and there should be an unambiguous
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way to recognize this.
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