getprotobyname - Get the protocol number associated with the protocol name

Name:getprotobyname

Category:Network

Programming Language:php

One-line Description:Returns the protocol number of the given protocol name.

Definition and usage

getprotobyname() function returns the protocol number of the given protocol name.

An example getprotobyname() :

 <?php
$protocolnum = getprotobyname ( "tcp" ) ;
echo $protocolnum ;
?>

 getprotobyname ( protocolname )

parameter	describe
protocolname	Required. Specify the protocol name (such as "tcp").

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