findsubckt(), constness

src/frontend/numparam/numparam.h

@@ -64,7 +64,7 @@ void initdico(dico_t *);
 int donedico(dico_t *);
 void dico_free_entry(entry_t *);
 bool defsubckt(dico_t *, struct card *, nupa_type categ);
-int findsubckt(dico_t *, char *s);
+int findsubckt(dico_t *, const char *s);
 bool nupa_substitute(dico_t *, const char *s, char *r);
 bool nupa_assignment(dico_t *, const char *s, char mode);
 bool nupa_subcktcall(dico_t *, char *s, char *x, char *inst_name);

src/frontend/numparam/xpressn.c

@@ -543,7 +543,7 @@ defsubckt(dico_t *dico, struct card *card, nupa_type categ)
 
 
 int
-findsubckt(dico_t *dico, char *s)
+findsubckt(dico_t *dico, const char * const s)
 /* input: s is a subcircuit invocation line.
    returns 0 if not found, else the stored definition line number value */
 {