diff --git a/tiny/lisp-nontail.c b/tiny/lisp-nontail.c
index 7239ed5..f27ba67 100644
--- a/tiny/lisp-nontail.c
+++ b/tiny/lisp-nontail.c
@@ -18,13 +18,14 @@
   Public Domain
 */
 
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
+#include <sys/types.h>
+
+#include <ctype.h>
 #include <setjmp.h>
 #include <stdarg.h>
-#include <ctype.h>
-#include <sys/types.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
 
 #ifdef __LP64__
 typedef u_int64_t value_t;
diff --git a/tiny/lisp.c b/tiny/lisp.c
index 4b9ffbc..bff004d 100644
--- a/tiny/lisp.c
+++ b/tiny/lisp.c
@@ -18,13 +18,14 @@
   Public Domain
 */
 
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
+#include <sys/types.h>
+
+#include <ctype.h>
 #include <setjmp.h>
 #include <stdarg.h>
-#include <ctype.h>
-#include <sys/types.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
 
 #ifdef __LP64__
 typedef u_int64_t value_t;
diff --git a/tiny/lisp2.c b/tiny/lisp2.c
index a705041..d015bf9 100644
--- a/tiny/lisp2.c
+++ b/tiny/lisp2.c
@@ -39,13 +39,14 @@
   Public Domain
 */
 
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
+#include <sys/types.h>
+
+#include <ctype.h>
 #include <setjmp.h>
 #include <stdarg.h>
-#include <ctype.h>
-#include <sys/types.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
 
 #ifdef __LP64__
 typedef u_int64_t value_t;
diff --git a/tiny/lispf.c b/tiny/lispf.c
index 43feb1a..d059141 100644
--- a/tiny/lispf.c
+++ b/tiny/lispf.c
@@ -24,13 +24,14 @@
   Public Domain
 */
 
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
+#include <sys/types.h>
+
+#include <ctype.h>
 #include <setjmp.h>
 #include <stdarg.h>
-#include <ctype.h>
-#include <sys/types.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
 
 #ifdef __LP64__
 typedef u_int64_t value_t;