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
] ) : intCalculates 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