socket_cmsg_space

(PHP 5 >= 5.5.0, PHP 7)

socket_cmsg_space — Calculate 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

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