DNS_HEADER (Windows Embedded CE 6.0)
1/6/2010
This structure contains DNS header information used when sending DNS messages.
Syntax
typedef struct _DNS_HEADER {
WORD Xid;
BYTE RecursionDesired;
BYTE Truncation;
BYTE Authoritative;
BYTE Opcode;
BYTE IsResponse;
BYTE ResponseCode;
BYTE Reserved;
BYTE RecursionAvailable;
WORD QuestionCount;
WORD AnswerCount;
WORD NameServerCount;
WORD AdditionalCount;
} DNS_HEADER, *PDNS_HEADER;
Members
- Xid
[in] DNS message header identifier.
- RecursionDesired
[in] Specifies whether recursion is desired on the DNS message.
- Truncation
[in] Specifies whether truncation has been applied to the DNS message.
- Authoritative
[in] Specifies whether the node from which the DNS Message is being sent is authoritative for the zone.
- Opcode
[in] Specifies the operation code to be taken on the DNS message.
- IsResponse
[in] Specifies whether the DNS message is a query response message.
- ResponseCode
[in] Response code of the DNS message.
- Reserved
[in] Reserved. Do not use.
- RecursionAvailable
[in] Specifies whether recursion is available on the DNS query.
- QuestionCount
[in] Number of queries contained in the DNS message.
- AnswerCount
[in] Number of answers contained in the DNS message.
- NameServerCount
[in] Number of DNS Name Servers the message has traversed in its search for resolution.
- AdditionalCount
[in] Reserved. Do not use.
Remarks
None.
Requirements
| Header | windns.h |
| Windows Embedded CE | Windows CE 5.0 and later |