QUALITYOFSERVICE

The Windows Sockets 2 QOS structure is defined in WINSOCK2.H and is reproduced here.

typedef struct _QualityOfService {
    FLOWSPEC    SendingFlowspec;       /* The flowspec for data  */
                                       /*   sending              */
    FLOWSPEC    ReceivingFlowspec;     /* The flowspec for data  */
                                       /*   receiving            */
    WSABUF      ProviderSpecific;      /* Additional provider-   */
                                       /*   specific parameters  */
} QOS, FAR * LPQOS;