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getservbyname> <getprotobyname
Last updated: Fri, 29 Aug 2008

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getprotobynumber

(PHP 4, PHP 5)

getprotobynumberプロトコル番号が指すプロトコル名を取得する

説明

string getprotobynumber ( int $number )

getprotobynumber() は、 /etc/protocols に基づき プロトコル番号 number が指すプロトコル名を返します。

パラメータ

number

プロトコル番号。

返り値

プロトコル名を文字列で返します。



add a note add a note User Contributed Notes
getprotobynumber
Vipindas K.S
09-May-2008 12:39
getprotobynumber()
=====================
getprotobynumber() gets the protocol name for the given protocol number on the local system. If the protocol number is not recognized,the function returns FALSE.The given code snippet gives the list of protocols along with their protocol numbers

<?
$format
= "%6s %s\n<br />";
for (
$number = 0; $number < 255; $number++)
 {
   if (
getprotobynumber ($number))

     
printf ($format, " $number-->", getprotobynumber ($number));
 }

?>

OUTPUT:

0--> ip
1--> icmp
3--> ggp
6--> tcp
8--> egp
12--> pup
17--> udp
20--> hmp
22--> xns-idp
27--> rdp
66--> rvd

getservbyname> <getprotobyname
Last updated: Fri, 29 Aug 2008
 
 
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