427 find_derivation (const char *toset, const char *toset_expand,  in find_derivation()  argument
438   result = derivation_lookup (fromset_expand ?: fromset, toset_expand ?: toset,  in find_derivation()
523 					    ? (toset_expand ?: toset)  in find_derivation()
532 		      || (toset_expand != NULL  in find_derivation()
533 			  && strcmp (result_set, toset_expand) == 0))  in find_derivation()
671       result = gen_steps (solution, toset_expand ?: toset,  in find_derivation()
682   add_derivation (fromset_expand ?: fromset, toset_expand ?: toset,  in find_derivation()
723   const char *toset_expand;  in __gconv_find_transform()  local
749   toset_expand = do_lookup_alias (toset);  in __gconv_find_transform()
755 	  || (toset_expand != NULL && strcmp (toset_expand, fromset) == 0)  in __gconv_find_transform()
758 		  || (toset_expand != NULL  in __gconv_find_transform()
759 		      && strcmp (toset_expand, fromset_expand) == 0)))))  in __gconv_find_transform()
766   result = find_derivation (toset, toset_expand, fromset, fromset_expand,  in __gconv_find_transform()