ldns(3) Library Functions Manual ldns(3) # [NAME](#NAME) ldns\_pkt\_id, ldns\_pkt\_qr, ldns\_pkt\_aa, ldns\_pkt\_tc, ldns\_pkt\_rd, ldns\_pkt\_cd, ldns\_pkt\_ra, ldns\_pkt\_ad, ldns\_pkt\_get\_opcode, ldns\_pkt\_get\_rcode, ldns\_pkt\_qdcount, ldns\_pkt\_ancount, ldns\_pkt\_nscount, ldns\_pkt\_arcount, ldns\_pkt\_answerfrom, ldns\_pkt\_querytime, ldns\_pkt\_size, ldns\_pkt\_tsig, ldns\_pkt\_question, ldns\_pkt\_answer, ldns\_pkt\_authority, ldns\_pkt\_additional, ldns\_pkt\_get\_section\_clone, ldns\_pkt\_rr\_list\_by\_name, ldns\_pkt\_rr\_list\_by\_type, ldns\_pkt\_rr\_list\_by\_name\_and\_type - get ldns\_pkt attributes # [SYNOPSIS](#SYNOPSIS) #include <stdint.h> #include <stdbool.h> #include <ldns/ldns.h> ldns\_pkt\_id(); bool ldns\_pkt\_qr(const ldns\_pkt \*p); bool ldns\_pkt\_aa(const ldns\_pkt \*p); bool ldns\_pkt\_tc(const ldns\_pkt \*p); bool ldns\_pkt\_rd(const ldns\_pkt \*p); bool ldns\_pkt\_cd(const ldns\_pkt \*p); bool ldns\_pkt\_ra(const ldns\_pkt \*p); bool ldns\_pkt\_ad(const ldns\_pkt \*p); ldns\_pkt\_opcode ldns\_pkt\_get\_opcode(const ldns\_pkt \*p); ldns\_pkt\_rcode ldns\_pkt\_get\_rcode(const ldns\_pkt \*p); uint16\_t ldns\_pkt\_qdcount(const ldns\_pkt \*p); uint16\_t ldns\_pkt\_ancount(const ldns\_pkt \*p); uint16\_t ldns\_pkt\_nscount(const ldns\_pkt \*p); uint16\_t ldns\_pkt\_arcount(const ldns\_pkt \*p); ldns\_rdf* ldns\_pkt\_answerfrom(const ldns\_pkt \*p); uint32\_t ldns\_pkt\_querytime(const ldns\_pkt \*p); size\_t ldns\_pkt\_size(const ldns\_pkt \*p); ldns\_rr* ldns\_pkt\_tsig(const ldns\_pkt \*p); ldns\_rr\_list* ldns\_pkt\_question(const ldns\_pkt \*p); ldns\_rr\_list* ldns\_pkt\_answer(const ldns\_pkt \*p); ldns\_rr\_list* ldns\_pkt\_authority(const ldns\_pkt \*p); ldns\_rr\_list* ldns\_pkt\_additional(const ldns\_pkt \*p); ldns\_rr\_list* ldns\_pkt\_get\_section\_clone(const ldns\_pkt \*p, ldns\_pkt\_section s); ldns\_rr\_list* ldns\_pkt\_rr\_list\_by\_name(const ldns\_pkt \*p, const ldns\_rdf \*r, ldns\_pkt\_section s); ldns\_rr\_list* ldns\_pkt\_rr\_list\_by\_type(const ldns\_pkt \*p, ldns\_rr\_type t, ldns\_pkt\_section s); ldns\_rr\_list* ldns\_pkt\_rr\_list\_by\_name\_and\_type(const ldns\_pkt \*packet, const ldns\_rdf \*ownername, ldns\_rr\_type type, ldns\_pkt\_section sec); # [DESCRIPTION](#DESCRIPTION) *ldns\_pkt\_id*() *ldns\_pkt\_qr*() Read the packet's qr bit **p**: the packet Returns value of the bit *ldns\_pkt\_aa*() Read the packet's aa bit **p**: the packet Returns value of the bit *ldns\_pkt\_tc*() Read the packet's tc bit **p**: the packet Returns value of the bit *ldns\_pkt\_rd*() Read the packet's rd bit **p**: the packet Returns value of the bit *ldns\_pkt\_cd*() Read the packet's cd bit **p**: the packet Returns value of the bit *ldns\_pkt\_ra*() Read the packet's ra bit **p**: the packet Returns value of the bit *ldns\_pkt\_ad*() Read the packet's ad bit **p**: the packet Returns value of the bit *ldns\_pkt\_get\_opcode*() Read the packet's code **p**: the packet Returns the opcode *ldns\_pkt\_get\_rcode*() Return the packet's response code **p**: the packet Returns the response code *ldns\_pkt\_qdcount*() Return the packet's qd count **p**: the packet Returns the qd count *ldns\_pkt\_ancount*() Return the packet's an count **p**: the packet Returns the an count *ldns\_pkt\_nscount*() Return the packet's ns count **p**: the packet Returns the ns count *ldns\_pkt\_arcount*() Return the packet's ar count **p**: the packet Returns the ar count *ldns\_pkt\_answerfrom*() Return the packet's answerfrom **p**: packet Returns the name of the server *ldns\_pkt\_querytime*() Return the packet's querytime **p**: the packet Returns the querytime *ldns\_pkt\_size*() Return the packet's size in bytes **p**: the packet Returns the size *ldns\_pkt\_tsig*() Return the packet's tsig pseudo rr's **p**: the packet Returns the tsig rr *ldns\_pkt\_question*() Return the packet's question section **p**: the packet Returns the section *ldns\_pkt\_answer*() Return the packet's answer section **p**: the packet Returns the section *ldns\_pkt\_authority*() Return the packet's authority section **p**: the packet Returns the section *ldns\_pkt\_additional*() Return the packet's additional section **p**: the packet Returns the section *ldns\_pkt\_get\_section\_clone*() return all the rr\_list's in the packet. Clone the lists, instead of returning pointers. **p**: the packet to look in **s**: what section(s) to return Returns ldns\_rr\_list with the rr's or NULL if none were found *ldns\_pkt\_rr\_list\_by\_name*() return all the rr with a specific name from a packet. Optionally specify from which section in the packet **p**: the packet **r**: the name **s**: the packet's section Returns a list with the rr's or NULL if none were found *ldns\_pkt\_rr\_list\_by\_type*() return all the rr with a specific type from a packet. Optionally specify from which section in the packet **p**: the packet **t**: the type **s**: the packet's section Returns a list with the rr's or NULL if none were found *ldns\_pkt\_rr\_list\_by\_name\_and\_type*() return all the rr with a specific type and type from a packet. Optionally specify from which section in the packet **packet**: the packet **ownername**: the name **type**: the type **sec**: the packet's section Returns a list with the rr's or NULL if none were found # [AUTHOR](#AUTHOR) The ldns team at NLnet Labs. # [REPORTING BUGS](#REPORTING_BUGS) Please report bugs to dns-team@nlnetlabs.nl or on GitHub at https://github.com/NLnetLabs/ldns/issues # [COPYRIGHT](#COPYRIGHT) Copyright (c) 2004 - 2006 NLnet Labs. Licensed under the BSD License. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. # [SEE ALSO](#SEE_ALSO) *ldns\_pkt*. And **perldoc Net::DNS**, **RFC1034**, **RFC1035**, **RFC4033**, **RFC4034** and **RFC4035**. # [REMARKS](#REMARKS) This manpage was automatically generated from the ldns source code. 30 May 2006 --- Document: ldns_pkt_ad(3) from ldns 1.9.2-r3 (Chainguard OS) Source: https://github.com/NLnetLabs/ldns.git