#include <sys/types.h>
#include <netinet/in.h>
#include <arpa/nameser.h>
#include <resolv.h>
int dn_comp_ts64(unsigned char * __ptr64 expanded_domain_name,
unsigned char * __ptr64 compressed_domain_name,
int answer_buffer_length,
unsigned char * __ptr64 * __ptr64 domain_name_pointers,
unsigned char * __ptr64 * __ptr64 last_domain_name)
The dn_comp_ts64() function is used to compress an expanded domain name. dn_comp_ts64() differs from dn_comp() in that dn_comp_ts64() accepts 8-byte teraspace pointers.
For a discussion of the parameters, authorities required, return values, and other related information, see dn_comp()--Compress Domain Name.
All of the usage notes for dn_comp()--Compress Domain Name apply to dn_comp_ts64().