getprotobynumber
(PHP 4, PHP 5)
getprotobynumber — Get protocol name associated with protocol number
说明
string getprotobynumber ( int $number )getprotobynumber() returns the protocol name associated with protocol number as per /etc/protocols.
参数
- number
-
The protocol number.
返回值
Returns the protocol name as a string, 或者在失败时返回 FALSE.
参见
- getprotobyname() - Get protocol number associated with protocol name