--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/nucleus/er_defs.h	Fri May 15 01:28:16 2020 +0000
@@ -0,0 +1,39 @@
+
+#ifndef ER_DEFS_H
+#define ER_DEFS_H
+
+#ifdef NU_DEBUG_MEMORY
+
+/* NU_DEBUG_MEMORY can only service one memory pool each time it is
+   compiled.  It will examine the memory pool NU_DEBUG_POOL points to.*/
+#define NU_DEBUG_POOL System_Memory
+
+typedef struct ER_DEBUG_ALLOCATION_STRUCT
+{
+
+    /* prev is the link needed to maintain a linked list of all the 
+       ER_DEBUG_ALLOCATION structures.  The head of the list is the global
+       variable ERD_RecentAllocation. */
+    struct ER_DEBUG_ALLOCATION_STRUCT *prev;
+    /* size is the number of bytes used for the users memory allocation */
+    unsigned int size;
+    /* Assignes each allocation an unique ID */
+    unsigned long AllocSequenceCounter;
+    /* line and file refer to the place in the code where the call to the
+       allocation is made in the application.  These variables are filled
+       in with compiler specific macros. */
+    unsigned long line;
+    const char * file; 
+    /* head and foot contain the non-null terminated strings "HEAD" and 
+       "FOOT" so this module can spot some instances where pointers write
+       to memory locations beyond thier bounds. data is the user's data
+       which the allocation call is intended.  */
+    unsigned char head[4];
+    unsigned char data[1];
+
+} ER_DEBUG_ALLOCATION;
+
+#endif /* NU_DEBUG_MEMORY */
+
+#endif /* ER_DEFS_H */
+