[errcode.h] Adding Failed memcpy

include/toolbox/errcode.h

@@ -4,10 +4,11 @@
 #define RET_TYPE unsigned char
 
 #define RET_OK    ((RET_TYPE) 0L)		/* No Error */
-#define RET_EFM   ((RET_TYPE) 1L)		/* Failed to Malloc */
+#define RET_EFM   ((RET_TYPE) 1L)		/* Failed to malloc */
 #define RET_EIDNE ((RET_TYPE) 2L)		/* Item Does Not Exist */
 #define RET_EVBTS ((RET_TYPE) 3L)		/* Value Bigger Than Size */
 #define RET_EVN   ((RET_TYPE) 4L)		/* Value is Null */
 #define RET_EIAE  ((RET_TYPE) 5L)		/* Item Already Exist */
+#define RET_EFMC  ((RET_TYPE) 6L)		/* Failed to memcpy */
 
 #endif