diff -rup a/resolv/res_init.c b/resolv/res_init.c
--- a/resolv/res_init.c 2010-05-04 05:27:23.000000000 -0600
+++ b/resolv/res_init.c 2012-02-10 10:20:24.923578396 -0700
@@ -325,7 +325,7 @@ __res_vinit(res_state statp, int preinit
struct in6_addr a6;
char *el;
- if ((el = strchr(cp, '\n')) != NULL)
+ if ((el = strpbrk(cp, " \t\n")) != NULL)
*el = '\0';
if ((el = strchr(cp, SCOPE_DELIMITER)) != NULL)