diff --git a/libc/dns/net/gethnamaddr.c b/libc/dns/net/gethnamaddr.c
index 7e18840..84942f8 100644
--- a/libc/dns/net/gethnamaddr.c
+++ b/libc/dns/net/gethnamaddr.c
@@ -90,6 +90,8 @@
 
 #include "hostent.h"
 
+#include "private/bionic_defs.h"
+
 #define maybe_ok(res, nm, ok) (((res)->options & RES_NOCHECKNAME) != 0U || \
                                (ok)(nm) != 0)
 #define maybe_hnok(res, hn) maybe_ok((res), (hn), res_hnok)
@@ -1533,6 +1535,7 @@
  * Non-reentrant versions.
  */
 
+__BIONIC_WEAK_FOR_NATIVE_BRIDGE
 struct hostent *
 gethostbyname(const char *name)
 {
@@ -1590,6 +1593,7 @@
 	return hp;
 }
 
+__BIONIC_WEAK_FOR_NATIVE_BRIDGE
 struct hostent *
 gethostbyaddr(const void *addr, socklen_t len, int af)
 {
diff --git a/libc/dns/net/getnameinfo.c b/libc/dns/net/getnameinfo.c
index 31d07c5..413b37e 100644
--- a/libc/dns/net/getnameinfo.c
+++ b/libc/dns/net/getnameinfo.c
@@ -68,6 +68,8 @@
 #include <stddef.h>
 #include <string.h>
 
+#include "private/bionic_defs.h"
+
 /* This macro is modelled after the ones in <netinet/in6.h>. */
 /* RFC 6052, section 2.1 */
 #define IN6_IS_ADDR_WKP(a) \
@@ -110,6 +112,7 @@
  * Top-level getnameinfo() code.  Look at the address family, and pick an
  * appropriate function to call.
  */
+__BIONIC_WEAK_FOR_NATIVE_BRIDGE
 int getnameinfo(const struct sockaddr* sa, socklen_t salen, char* host, size_t hostlen,
 		char* serv, size_t servlen, int flags)
 {