extern unsigned int lsllex (YYSTYPE *p_lval);
/*@=redecl@*/ /*@=type@*/ /*@=incondefs@*/
-extern ltoken LSLScanNextToken(void) /*@modifies internalState@*/ ;
+extern /*@only@*/ ltoken LSLScanNextToken(void) /*@modifies internalState@*/ ;
extern void LSLScanFreshToken(ltoken p_tok) /*@modifies internalState@*/ ;
extern /*@exposed@*/ inputStream LSLScanSource (void) /*@*/ ;
extern void LSLScanInit (void) /*@modifies internalState@*/ ;