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Perl in a Nutshell

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Function Reference 		Next: Reference: getservbyport
 

getservbyname 

getservbyname 
name
, 
proto

Translates a service (port) name to its corresponding port number. proto is a protocol name such as "tcp" . The return value in list context is: 

($name, $aliases, $port_number, $protocol_name)
In scalar context, getservbyname returns only the service port number.

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