diff --git a/libc/include/sys/socket.h b/libc/include/sys/socket.h
index 5001b2e..86fd3cf 100644
--- a/libc/include/sys/socket.h
+++ b/libc/include/sys/socket.h
@@ -284,6 +284,7 @@
 #endif
 
 __socketcall int accept(int, struct sockaddr*, socklen_t*);
+__socketcall int accept4(int, struct sockaddr*, socklen_t*, int);
 __socketcall int bind(int, const struct sockaddr*, int);
 __socketcall int connect(int, const struct sockaddr*, socklen_t);
 __socketcall int getpeername(int, struct sockaddr*, socklen_t*);
@@ -298,7 +299,6 @@
 __socketcall int shutdown(int, int);
 __socketcall int socket(int, int, int);
 __socketcall int socketpair(int, int, int, int*);
-__socketcall int accept4(int, struct sockaddr*, socklen_t*, int);
 
 extern ssize_t send(int, const void*, size_t, int);
 extern ssize_t recv(int, void*, size_t, int);
diff --git a/libc/include/sys/socketcalls.h b/libc/include/sys/socketcalls.h
index 09c079f..131e0bb 100644
--- a/libc/include/sys/socketcalls.h
+++ b/libc/include/sys/socketcalls.h
@@ -48,5 +48,7 @@
 #define SYS_SENDMSG     16              /* sys_sendmsg(2)               */
 #define SYS_RECVMSG     17              /* sys_recvmsg(2)               */
 #define SYS_ACCEPT4     18              /* sys_accept4(2)               */
+#define SYS_RECVMMSG    19              /* sys_recvmmsg(2)              */
+#define SYS_SENDMMSG    20              /* sys_sendmmsg(2)              */
 
 #endif /* _SYS_SOCKETCALLS_H_ */
diff --git a/tests/Android.mk b/tests/Android.mk
index 788dbcf..1aec021 100644
--- a/tests/Android.mk
+++ b/tests/Android.mk
@@ -39,6 +39,7 @@
     -fno-builtin \
 
 libBionicStandardTests_src_files := \
+    accept4_test.cpp \
     buffer_tests.cpp \
     dirent_test.cpp \
     eventfd_test.cpp \
@@ -82,7 +83,6 @@
     system_properties_test.cpp \
     time_test.cpp \
     unistd_test.cpp \
-    accept4_test.cpp \
 
 libBionicStandardTests_cflags := \
     $(test_cflags) \