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