Index: trunk/include/slib.h
===================================================================
--- trunk/include/slib.h	(revision 232)
+++ trunk/include/slib.h	(revision 243)
@@ -118,4 +118,18 @@
 
 #define SL_EISDIR    -1055      /* Is a directory                      */
+
+#define SL_EINTERNAL01 -1061    /* Internal error.                      */
+#define SL_EINTERNAL02 -1062    /* Internal error.                      */
+#define SL_EINTERNAL03 -1063    /* Internal error.                      */
+#define SL_EINTERNAL04 -1064    /* Internal error.                      */
+#define SL_EINTERNAL05 -1065    /* Internal error.                      */
+#define SL_EINTERNAL06 -1066    /* Internal error.                      */
+#define SL_EINTERNAL07 -1067    /* Internal error.                      */
+#define SL_EINTERNAL08 -1068    /* Internal error.                      */
+#define SL_EINTERNAL09 -1069    /* Internal error.                      */
+#define SL_EINTERNAL10 -1070    /* Internal error.                      */
+#define SL_EINTERNAL11 -1071    /* Internal error.                      */
+#define SL_EINTERNAL12 -1072    /* Internal error.                      */
+
 /*
  * All int functions return SL_NONE on success.