extern int BitBankUsed; /* MB: overlayable bit bank SDCCmain.c */
extern struct symbol *currFunc; /* current function SDCCgens.c */
extern int cNestLevel; /* block nest level SDCCval.c */
-extern int currBlockno; /* sequentail block number */
+extern int blockNo; /* maximum sequential block number */
+extern int currBlockno; /* sequential block number */
extern struct optimize optimize;
extern struct options options;
extern unsigned maxInterrupts;