debian man page for dns_name4_domain

dns_name4_domain(3)					     Library Functions Manual					       dns_name4_domain(3)

NAME
       dns_name4_domain - construct host name for reverse lookup

SYNTAX
       #include <dns.h>

       void dns_name4_domain(char q[DNS_NAME4_DOMAIN],
			    const char* ip[4]);

DESCRIPTION
       dns_name4_domain  is  a low-level component of dns_name4.  It converts an IP address such as 1.2.3.4 into a domain name such as 4.3.2.1.in-
       addr.arpa and places the packet-encoded domain name into q.

       q is zero terminated.

       q must have space for DNS_NAME4_DOMAIN bytes.

SEE ALSO
       dns_name4(3), dns_name6_domain(3)

															       dns_name4_domain(3)