Ares needs CURLRES_ADDRINFO_COPY. Curl_hostent_relocate() is gone.

#define CURLRES_IPV4

#endif

#ifdef CURLRES_IPV4

#if defined(CURLRES_IPV4) || defined(CURLRES_ARES)

#if !defined(HAVE_GETHOSTBYNAME_R) || defined(CURLRES_ASYNCH)

/* If built for ipv4 and missing gethostbyname_r(), or if using async name

   resolve, we need the Curl_addrinfo_copy() function (which itself needs the

   Curl_hostent_relocate() function)) */

   Curl_he2ai() function)) */

#define CURLRES_ADDRINFO_COPY

#endif

#endif /* IPv4-only */

#endif /* IPv4/ares-only */

#ifndef CURLRES_ASYNCH

#define CURLRES_SYNCH

                                 struct addrinfo *ai);

/* [ipv4 only] Creates a Curl_addrinfo struct from a numerical-only IP

/* [ipv4/ares only] Creates a Curl_addrinfo struct from a numerical-only IP

   address */

Curl_addrinfo *Curl_ip2addr(in_addr_t num, const char *hostname, int port);

/* [ipv4 only] Curl_he2ai() converts a struct hostent to a Curl_addrinfo chain

/* [ipv4/ares only] Curl_he2ai() converts a struct hostent to a Curl_addrinfo chain

   and returns it */

Curl_addrinfo *Curl_he2ai(const struct hostent *, int port);

/* relocate a hostent struct */

void Curl_hostent_relocate(struct hostent *h, long offset);

/* Clone a Curl_addrinfo struct, works protocol independently */

Curl_addrinfo *Curl_addrinfo_copy(const void *orig, int port);