nn::socket::SockAtMark Function

s32 SockAtMark(
     s32 s
);

	Name	Description
in	s	Specifies the socket descriptor. Specify a socket descriptor created using the Socket or Accept function.

Returns 1 when a mark has been made indicating the socket has received out-of-band data. You can read the out-of-band data by calling the Recv function with MSG_OOB specified right after you call this function. If the protocol is TCP, this indicates that the last byte of urgent data exists at the start of the readable buffer.

Determines whether the specified socket has an out-of-band data mark.

This can be used to check whether the start of the socket's readable buffer is the last byte of TCP urgent data.

Recv, RecvFrom

2010/06/14

Initial version.