--- trunk/tcProps/tcProps.h	2004/02/13 21:24:07	1051
+++ trunk/tcProps/tcProps.h	2004/02/13 22:13:06	1052
@@ -1,4 +1,7 @@
+#ifndef __TCPROPS_H__
+#define __TCPROPS_H__
 
+
 enum atomNames { HEAD, CH, CH2, CH3, SSD };
 
 struct atomCoord{
@@ -7,3 +10,6 @@ struct atomCoord{
   double vel[3];
   double u[3];
 };
+
+
+#endif // __TCPROPS_H__