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-rw-r--r--signal/signal.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/signal/signal.h b/signal/signal.h
index 4e5d857d10..588c779f11 100644
--- a/signal/signal.h
+++ b/signal/signal.h
@@ -297,12 +297,12 @@ extern int sigstack __P ((__const struct sigstack *__ss,
 			  struct sigstack *__oss));
 
 /* Alternate interface.  */
-struct sigaltstack
+typedef struct sigaltstack
   {
     __ptr_t ss_sp;
     size_t ss_size;
     int ss_flags;
-  };
+  } stack_t;
 
 extern int sigaltstack __P ((__const struct sigaltstack *__ss,
 			     struct sigaltstack *__oss));