NT doesn't appear to have a resolver routines...

fefe72b3 · Kurt Zeilenga · d3123ead · fefe72b3
Commit fefe72b3 authored Oct 22, 1998 by Kurt Zeilenga
--- a/include/portable.h.nt
+++ b/include/portable.h.nt
@@ -189,7 +189,7 @@ typedef char * caddr_t;
 #define LDAP_DEBUG 1

 /* define this for LDAP DNS support */
-#define LDAP_DNS 1
+/* #undef LDAP_DNS */

 /* define this to remove -lldap cache support */
 /* #undef LDAP_NOCACHE */