added docs and removed proto

CURLcode Curl_wait_for_resolv(struct connectdata *conn,

                              struct Curl_dns_entry **dnsentry);

/* Curl_resolv_getsock() is a generic function that exists in multiple versions

   depending on what name resolve technology we've built to use. The function

   is called from the multi_getsock() function */

int Curl_resolv_getsock(struct connectdata *conn,

                        curl_socket_t *sock,

/* Curl_resolv_getsock() is a generic function that exists in multiple

   versions depending on what name resolve technology we've built to use. The

   function is called from the multi_getsock() function.  'sock' is a pointer

   to an array to hold the file descriptors, with 'numsock' being the size of

   that array (in number of entries). This function is supposed to return

   bitmask indicating what file descriptors (referring to array indexes in the

   'sock' array) to wait for, read/write. */

int Curl_resolv_getsock(struct connectdata *conn, curl_socket_t *sock,

                        int numsocks);

#if 0

/* Curl_resolv_fdset() is a generic function that exists in multiple versions

   depending on what name resolve technology we've built to use. The function

   is called from the curl_multi_fdset() function */

CURLcode Curl_resolv_fdset(struct connectdata *conn,

                           fd_set *read_fd_set,

                           fd_set *write_fd_set,

                           int *max_fdp);

#endif

/* unlock a previously resolved dns entry */

void Curl_resolv_unlock(struct SessionHandle *data,