dns_HEADER Struct Reference

Data Fields
unsigned	aa:1
unsigned	ad:1
unsigned	ancount:16
unsigned	arcount:16
unsigned	cd:1
unsigned	id:16
unsigned	nscount:16
unsigned	opcode:4
unsigned	qdcount:16
unsigned	qr:1
unsigned	ra:1
unsigned	rcode:4
unsigned	rd:1
unsigned	tc:1
unsigned	unused:1

Detailed Description

Definition at line 124 of file dns.c.

Field Documentation

aa

unsigned aa

authoritative answer

Definition at line 130 of file dns.c.

ad

unsigned ad

authentic data from named

Definition at line 136 of file dns.c.

ancount

unsigned ancount

number of answer entries

Definition at line 156 of file dns.c.

Referenced by dns_parse_answer(), and dns_parse_answer_ex().

arcount

unsigned arcount

number of resource entries

Definition at line 158 of file dns.c.

cd

unsigned cd

checking disabled by resolver

Definition at line 137 of file dns.c.

id

unsigned id

query identification number

Definition at line 125 of file dns.c.

Referenced by Section::__cmp__(), Section::__eq__(), Section::__ge__(), Section::__gt__(), Section::__le__(), and Section::__lt__().

nscount

unsigned nscount

number of authority entries

Definition at line 157 of file dns.c.

opcode

unsigned opcode

purpose of message

Definition at line 129 of file dns.c.

qdcount

unsigned qdcount

number of question entries

Definition at line 155 of file dns.c.

Referenced by dns_parse_answer(), and dns_parse_answer_ex().

qr

unsigned qr

response flag

Definition at line 128 of file dns.c.

ra

unsigned ra

recursion available

Definition at line 134 of file dns.c.

rcode

unsigned rcode

response code

Definition at line 138 of file dns.c.

Referenced by dns_parse_answer_ex().

rd

unsigned rd

recursion desired

Definition at line 132 of file dns.c.

tc

unsigned tc

truncated message

Definition at line 131 of file dns.c.

unused

unsigned unused

unused bits (MBZ as of 4.9.3a3)

Definition at line 135 of file dns.c.

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The documentation for this struct was generated from the following file:

• dns.c