1#include <resolv.h>
 2#include <string.h>
 3
 4int res_querydomain(const char *name, const char *domain, int class, int type, unsigned char *dest, int len)
 5{
 6	char tmp[255];
 7	size_t nl = strnlen(name, 255);
 8	size_t dl = strnlen(domain, 255);
 9	if (nl+dl+1 > 254) return -1;
10	memcpy(tmp, name, nl);
11	tmp[nl] = '.';
12	memcpy(tmp+nl+1, domain, dl+1);
13	return res_query(tmp, class, type, dest, len);
14}