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Manual Reference Pages  -  LIBOWFAT_DNS_NAME4 (3)

NAME

dns_name4 - look up host name

CONTENTS

Syntax
Description

SYNTAX

#include <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 returns -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)
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