debian man page for dns_ip4_packet

dns_ip4_packet(3)					     Library Functions Manual						 dns_ip4_packet(3)

NAME
       dns_ip4_packet - extract IPv4 address from DNS answer packet

SYNTAX
       #include <dns.h>

       int dns_ip4_packet(stralloc* out,const char* buf,
			  unsigned int len);

DESCRIPTION
       dns_ip4_packet  is a low-level component of dns_ip4, designed to support asynchronous DNS lookups. It reads a DNS packet of length len from
       buf, extracts IP addresses from the answer section of the packet, puts the addresses into out, and returns 0 or -1 the same way as dns_ip4.

SEE ALSO
       dns_ip4(3), dns_ip6_packet(3)

																 dns_ip4_packet(3)