From bdd1b0f5ad13c079df702d86d968cfd12dd60424 Mon Sep 17 00:00:00 2001
From: "W. Trevor King" <wking@drexel.edu>
Date: Thu, 18 Jun 2009 07:36:25 -0400
Subject: [PATCH] Added ifndef/def/endif protection to C headers.

I don't include them multiple times, but maybe someone else will.
---
 err_mac.h    | 5 +++++
 stripchart.h | 5 +++++
 2 files changed, 10 insertions(+)

diff --git a/err_mac.h b/err_mac.h
index 11353e3..41730d6 100644
--- a/err_mac.h
+++ b/err_mac.h
@@ -23,6 +23,9 @@
   Philadelphia PA 19104, USA.
 */
 
+#ifndef _ERR_MAC_H
+#define _ERR_MAC_H
+
 #include <stdio.h> /* for fprintf(), stderr */
 
 #define SUCCESS 0
@@ -163,3 +166,5 @@ static int err_mac_ans;
       fflush(stderr);                                                 \
     }                                                                 \
   } while(0)
+
+#endif /* _ERR_MAC_H */
diff --git a/stripchart.h b/stripchart.h
index b738e09..d564c19 100644
--- a/stripchart.h
+++ b/stripchart.h
@@ -22,6 +22,9 @@
   Philadelphia PA 19104, USA.
  */
 
+#ifndef _STRIPCHART_H
+#define _STRIPCHART_H
+
 typedef struct stripchart_struct stripchart_t;
 
 extern int stripchart_create(stripchart_t **pChart,
@@ -35,3 +38,5 @@ extern int stripchart_create(stripchart_t **pChart,
 extern int stripchart_point(stripchart_t *chart, double value);
 
 extern int stripchart_destroy(stripchart_t **pChart);
+
+#endif /* _STRIPCHART_H */
-- 
2.26.2