mswsockdef.h header

This header is used by Windows Sockets 2. For more information, see:

mswsockdef.h contains the following programming interfaces:

Structures

 
RIO_BUF

Specifies a portion of a registered buffer used for sending or receiving network data with the Winsock registered I/O extensions.
RIORESULT

Contains data used to indicate request completion results used with the Winsock registered I/O extensions.