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-rw-r--r--signal/signal.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/signal/signal.h b/signal/signal.h
index 5d63375947..8a37dde0c1 100644
--- a/signal/signal.h
+++ b/signal/signal.h
@@ -58,6 +58,9 @@ typedef void (*__sighandler_t) __PMT ((int));
    requested.  */
 extern __sighandler_t __sysv_signal __P ((int __sig,
 					  __sighandler_t __handler));
+#ifdef __USE_GNU
+extern __sighandler_t sysv_signal __P ((int __sig, __sighandler_t __handler));
+#endif
 
 /* Set the handler for the signal SIG to HANDLER, returning the old
    handler, or SIG_ERR on error.