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-rw-r--r--math/math.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/math/math.h b/math/math.h
index 4d08cd94b5..74b893a49d 100644
--- a/math/math.h
+++ b/math/math.h
@@ -114,6 +114,7 @@ struct exception
     double retval;
   };
 
+extern int __matherr __P ((struct exception *));
 extern int matherr __P ((struct exception *));
 
 #define X_TLOSS		1.41484755040568800000e+16