  
 diff -Naur a/basic.c b/basic.c
 --- a/basic.c	2020-04-20 21:09:41.000000000 +0100
-+++ b/basic.c	2020-04-20 21:26:10.000000000 +0100
++++ b/basic.c	2020-04-21 19:01:59.000000000 +0100
 @@ -19,6 +19,9 @@
  #include <stdio.h>
  #include <stdlib.h>

+}
diff -Naur a/tags.c b/tags.c
--- a/tags.c	2020-04-20 21:09:41.000000000 +0100
+++ b/tags.c	2020-04-20 21:26:10.000000000 +0100
@@ -8,7 +8,11 @@
 
 #include <sys/queue.h>

+}
diff -Naur a/strtonum.c b/strtonum.c
--- a/strtonum.c	1970-01-01 01:00:00.000000000 +0100
+++ b/strtonum.c	2020-04-21 19:01:59.000000000 +0100
@@ -0,0 +1,65 @@
+/*	$OpenBSD: strtonum.c,v 1.7 2013/04/17 18:40:58 tedu Exp $	*/
+
