poll() as a system call

src/include/poll.h

@@ -0,0 +1,7 @@
+/*	$OpenBSD: poll.h,v 1.1 1996/05/18 08:53:07 deraadt Exp $ */
+
+/*
+ * Typical poll() implimentations expect poll.h to be in /usr/include. 
+ * However this is not a convenient place for the real definitions.
+ */
+#include <sys/poll.h>