Php/docs/function.socket-cmsg-space

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socket_cmsg_space

(PHP 5 >= 5.5.0, PHP 7)

socket_cmsg_spaceCalculate message buffer size


说明

socket_cmsg_space ( int $level , int $type [, int $n = 0 ] ) : int

Calculates the size of the buffer that should be allocated for receiving the ancillary data.

Warning 本函数还未编写文档,仅有参数列表。


参数

level
type


返回值

参见