#include <netinet/in.h> #include <resolv.h> #include <stdio.h> int main(int argc, char *argv[]) { printf("PRE _res.nscount = %d\n", _res.nscount); fflush(stdout); res_init(); printf("POST _res.nscount = %d\n", ( int ) _res.nscount > 0 ); fflush(stdout); return 0; }