diff --git a/sys/kern/syscalls.master b/sys/kern/syscalls.master
index b9f62b065c23..650dee66ba8f 100644
--- a/sys/kern/syscalls.master
+++ b/sys/kern/syscalls.master
@@ -587,6 +587,11 @@
 409	UNIMPL	BSD	__mac_get_pid
 410	UNIMPL	BSD	__mac_get_link
 411	UNIMPL	BSD	__mac_set_link
-412	UNIMPL	BSD	extattr_set_link
-413	UNIMPL	BSD	extattr_get_link
-414	UNIMPL	BSD	extattr_delete_link
+412	STD	BSD	{ int extattr_set_link(const char *path, \
+			    int attrnamespace, const char *attrname, \
+			    void *data, size_t nbytes); }
+413	STD	BSD	{ ssize_t extattr_get_link(const char *path, \
+			    int attrnamespace, const char *attrname, \
+			    void *data, size_t nbytes); }
+414	STD	BSD	{ int extattr_delete_link(const char *path, \
+			    int attrnamespace, const char *attrname); }