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-rw-r--r--stdlib/stdlib.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/stdlib/stdlib.h b/stdlib/stdlib.h
index 9e08d81c77..99fcf2e7c7 100644
--- a/stdlib/stdlib.h
+++ b/stdlib/stdlib.h
@@ -367,6 +367,8 @@ extern int atexit __P ((void (*__func) (void)));
 #ifdef	__USE_MISC
 /* Register a function to be called with the status
    given to `exit' and the given argument.  */
+extern int __on_exit __P ((void (*__func) (int __status, __ptr_t __arg),
+			   __ptr_t __arg));
 extern int on_exit __P ((void (*__func) (int __status, __ptr_t __arg),
 			 __ptr_t __arg));
 #endif