dns_name4_domain(3) - Linux man page

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)