handle interrupts and backgrounded processes a little better.
diff --git a/src/cmd/rc/rc.h b/src/cmd/rc/rc.h
index 7df5fea..9a73927 100644
--- a/src/cmd/rc/rc.h
+++ b/src/cmd/rc/rc.h
@@ -137,3 +137,4 @@
 char *getstatus(void);
 int lastc;
 int lastword;
+int kidpid;