Re: ＩＰアドレスの表記方法

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Article #175

#175

From: Motoyuki Kasahara
Date: Sat, 24 Aug 2002 23:22

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余談ですが、

* From: kabe@sra-tohoku.co.jp 
* Message-ID: <ak6f7b$it8$1@yagi.ecei.tohoku.ac.jp>
> >> 1.1 = 1.0.0.1
> >> 192.168.1 = 192.168.0.1
> >> 
> >> これって、常識なのでしょうか？
> 
> inet_addr(3)

でも、inet_pton(3) は受け付けないんですよね。

IEEE Std 1003.1-2001:
| If the af argument of inet_pton() is AF_INET, the src string shall
| be in the standard IPv4 dotted-decimal form:
| 
| ddd.ddd.ddd.ddd
| 
| where "ddd" is a one to three digit decimal number between 0 and 255
| (see inet_addr() ). The inet_pton() function does not accept other
| formats (such as the octal numbers, hexadecimal numbers, and fewer
| than four numbers that inet_addr() accepts).

FreeBSD-4.6 でも
	telnet 127.1
	telnet ::ffff:127.0.0.1

は大丈夫ですが
	telnet ::ffff:127.1 

は駄目だったりしますし。
________________________________________________________________
笠原 基之(かさはら もとゆき)

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From: m-kasahr@sra.co.jp (Motoyuki Kasahara)
Newsgroups: fj.net.ip
Subject: Re: ＩＰアドレスの表記方法
Date: 24 Aug 2002 23:22:54 GMT
Organization: Software Research Associates, Inc., Japan
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