php man page for getprotobynumber

GETPROTOBYNUMBER(3)							 1						       GETPROTOBYNUMBER(3)

getprotobynumber - Get protocol name associated with protocol number

SYNOPSIS
       string getprotobynumber (int  $number)

DESCRIPTION
       getprotobynumber(3) returns the protocol name associated with protocol $number as per /etc/protocols.

PARAMETERS
	      o $number
		- The protocol number.

RETURN VALUES
	Returns the protocol name as a string, or FALSE on failure.

SEE ALSO
       getprotobyname(3).

PHP Documentation Group 												       GETPROTOBYNUMBER(3)