2 files changed, 4 insertions, 2 deletions

diff --git a/lib/libc/stdlib/abort.c b/lib/libc/stdlib/abort.c
index 36cd15ba62bb..468a9bf40d87 100644
--- a/lib/libc/stdlib/abort.c
+++ b/lib/libc/stdlib/abort.c
@@ -45,7 +45,7 @@ __FBSDID("$FreeBSD$");
 #include <pthread.h>
 #include "un-namespace.h"
 
-void (*__cleanup)();
+#include "libc_private.h"
 
 void
 abort()
diff --git a/lib/libc/stdlib/exit.c b/lib/libc/stdlib/exit.c
index 83abdbd5d506..cafb127eeea9 100644
--- a/lib/libc/stdlib/exit.c
+++ b/lib/libc/stdlib/exit.c
@@ -41,9 +41,11 @@ __FBSDID("$FreeBSD$");
 #include <stdlib.h>
 #include <unistd.h>
 #include "un-namespace.h"
+
 #include "atexit.h"
+#include "libc_private.h"
 
-void (*__cleanup)();
+void (*__cleanup)(void);
 
 /*
  * This variable is zero until a process has created a thread.