Index: /trunk/src/VBox/ExtPacks/VBoxDTrace/include/VBoxDTraceLibCWrappers.h
===================================================================
--- /trunk/src/VBox/ExtPacks/VBoxDTrace/include/VBoxDTraceLibCWrappers.h	(revision 53997)
+++ /trunk/src/VBox/ExtPacks/VBoxDTrace/include/VBoxDTraceLibCWrappers.h	(revision 53998)
@@ -85,4 +85,12 @@
 #define strndup(a_psz, a_cchMax)    ((char *)RTMemDupEx(a_psz, RTStrNLen(a_psz, a_cchMax), 1))
 
+/* For various stupid reasons, these are duplicated in VBoxDTraceTypes.h. */
+#undef bcopy
+#define bcopy(a_pSrc, a_pDst, a_cb) ((void)memmove(a_pDst, a_pSrc, a_cb))
+#undef bzero
+#define bzero(a_pDst, a_cb)         ((void)memset(a_pDst, 0, a_cb))
+#undef bcmp
+#define bcmp(a_p1, a_p2, a_cb)      (memcmp(a_p1, a_p2, a_cb))
+
 #endif
 
Index: /trunk/src/VBox/ExtPacks/VBoxDTrace/include/VBoxDTraceTypes.h
===================================================================
--- /trunk/src/VBox/ExtPacks/VBoxDTrace/include/VBoxDTraceTypes.h	(revision 53997)
+++ /trunk/src/VBox/ExtPacks/VBoxDTrace/include/VBoxDTraceTypes.h	(revision 53998)
@@ -134,8 +134,11 @@
  * string
  */
+#undef bcopy
+#define bcopy(a_pSrc, a_pDst, a_cb) ((void)memmove(a_pDst, a_pSrc, a_cb))
+#undef bzero
+#define bzero(a_pDst, a_cb)         ((void)memset(a_pDst, 0, a_cb))
+#undef bcmp
+#define bcmp(a_p1, a_p2, a_cb)      (memcmp(a_p1, a_p2, a_cb))
 #if defined(_MSC_VER) || defined(IN_RING0)
-# define bcopy(a_pSrc, a_pDst, a_cb) memmove(a_pDst, a_pSrc, a_cb)
-# define bzero(a_pDst, a_cb)        RT_BZERO(a_pDst, a_cb)
-# define bcmp(a_p1, a_p2, a_cb)     memcmp(a_p1, a_p2, a_cb)
 # define snprintf                   RTStrPrintf
 # define vsnprintf                  RTStrPrintfV