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dns_name4(3)		    Library Functions Manual		    dns_name4(3)

NAME
     dns_name4 - look up host name

SYNTAX
     #include <libowfat/dns.h>

     int dns_name4(stralloc* out,const char* ip[4]);

DESCRIPTION
     dns_name4 looks up the domain name for the 4-byte IP address in ip. It puts
     the  (first)  domain  name  into  out  and  returns  0. If the relevant in-
     addr.arpa domain does not exist in DNS, or has no PTR records, out will  be
     empty.

     If  dns_name4 has trouble with the DNS lookup or runs out of memory, it re-
     turns -1, setting errno appropriately. It may or may not change out.

SEE ALSO
     dns_name_packet(3), dns_name4_domain(3), dns_name6(3), dns_ip4(3)

								    dns_name4(3)

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