error_message ("Redeclaration of %s\n", s->name);
error_message (1, "Redeclaration of %s\n", s->name);
define_typedef (StructEntry *entry){     Symbol *s;     s = addsym (entry->name);     if (s->type != TUNDEFINED) {	  error_message ("Redeclaration of %s\n", s->name);	  return NULL;     }     s->type = TTYPEDEF;     s->name = entry->name;     s->u.type = entry->type;     free (entry);     return s;}