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dns_name4_domain(3) DragonFly 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)