diff --git a/src/gdd/aitConvert.h b/src/gdd/aitConvert.h
index 294c5088a..069600455 100644
--- a/src/gdd/aitConvert.h
+++ b/src/gdd/aitConvert.h
@@ -8,6 +8,9 @@
  * $Id$
  *
  * $Log$
+ * Revision 1.2  1996/08/13 23:13:34  jhill
+ * win NT changes
+ *
  * Revision 1.1  1996/06/25 19:11:29  jbk
  * new in EPICS base
  *
@@ -31,6 +34,14 @@
 #define AIT_NEED_BYTE_SWAP 1
 #endif
 
+#ifdef AIT_NEED_BYTE_SWAP
+#define aitLocalNetworkDataFormatSame 0
+#else
+#define aitLocalNetworkDataFormatSame 1
+#endif
+
+typedef enum { aitLocalDataFormat=0, aitNetworkDataFormat } aitDataFormat;
+
 /* all conversion functions have this prototype */
 typedef void (*aitFunc)(void* dest,const void* src,aitIndex count);
 
diff --git a/src/gdd/aitHelpers.h b/src/gdd/aitHelpers.h
index 17fd9d9c2..1ea157559 100644
--- a/src/gdd/aitHelpers.h
+++ b/src/gdd/aitHelpers.h
@@ -8,6 +8,9 @@
  * $Id$
  *
  * $Log$
+ * Revision 1.7  1996/08/22 21:05:39  jbk
+ * More fixes to make strings and fixed string work better.
+ *
  * Revision 1.6  1996/08/14 12:30:10  jbk
  * fixes for converting aitString to aitInt8* and back
  * fixes for managing the units field for the dbr types
@@ -33,11 +36,19 @@
  */
 
 #include <stdio.h>
+#include <string.h>
 #include <limits.h>
 #ifndef assert // allows use of epicsAssert.h
 #include <assert.h> 
 #endif
 
+inline char* strDup(const char* x)
+{
+	char* y = new char[strlen(x)+1];
+	strcpy(y,x);
+	return y;
+}
+
 const unsigned NSecPerSec = 1000000000u;
 const unsigned NSecPerUSec = 1000u;
 const unsigned SecPerMin = 60u;