Removed additional exit constants definitions from cc65.h to stdlih.h. Guarded the definitions by #ifdef. Removed cc65.h includes from abort and assert implementations.

include/cc65.h

@@ -37,14 +37,6 @@
 #define _CC65_H
 
 
-/* Those cc65 exit constants definitions are in addition the the 
-   constants defined in stdlib.h. The values 0 and 1 are still 
-   reserved for EXIT_SUCCESS and EXIT_FAILURE and should not be
-   redefined */ 
-#define EXIT_ASSERT 2
-#define EXIT_ABORT 3
-
-
 /*****************************************************************************/
 /*                                   Code                                    */
 /*****************************************************************************/

include/stdlib.h

@@ -48,6 +48,17 @@ typedef unsigned size_t;
 #define EXIT_SUCCESS    0
 #define EXIT_FAILURE    1
 
+#if __CC65_STD__ == __CC65_STD_CC65__
+
+/* Those non-standard cc65 exit constants definitions are in addition
+   to the EXIT_SUCCESS and EXIT_FAILURE constants, which should not be
+   redefined */ 
+#define EXIT_ASSERT 2
+#define EXIT_ABORT 3
+
+#endif
+
+
 /* Return type of the div function */
 typedef struct {
     int rem;