getprotobynumber　Get protocol name associated with protocol number　php函数

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

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