#ifndef _NTAFD_H

// private
/**
 * The AFD_DATAGRAM_INFO structure describes the buffers, flags and source-address storage for a datagram receive operation on an AFD socket (IOCTL_AFD_RECEIVE_DATAGRAM).
 */
typedef struct _AFD_DATAGRAM_INFO
{
    _Field_size_(BufferCount) LPWSABUF BufferArray;
    ULONG BufferCount;
    ULONG AfdFlags;
    ULONG TdiFlags; // TDI_RECEIVE_*
    PVOID Address;
    PULONG AddressLength;
} AFD_DATAGRAM_INFO, *PAFD_DATAGRAM_INFO;

#endif
View code on GitHub