51         return NULL ;  in xstrdup()
181     if (d == NULL) return ;  in dictionary_del()
183         if (d->key[i] != NULL)  in dictionary_del()
185         if (d->val[i] != NULL)  in dictionary_del()
216         if (d->key[i] == NULL)  in dictionary_get()
260     if (d == NULL || key == NULL) return -1 ;  in dictionary_set()
267             if (d->key[i] == NULL)  in dictionary_set()
272                     if (d->val[i] != NULL)  in dictionary_set()
274                     d->val[i] = (val ? xstrdup(val) : NULL);  in dictionary_set()
297     d->val[i]  = (val ? xstrdup(val) : NULL) ;  in dictionary_set()
319     if (key == NULL || d == NULL) {  in dictionary_unset()
325         if (d->key[i] == NULL)  in dictionary_unset()
341     d->key[i] = NULL ;  in dictionary_unset()
342     if (d->val[i] != NULL) {  in dictionary_unset()
344         d->val[i] = NULL ;  in dictionary_unset()
367     if (d == NULL || out == NULL) return ;  in dictionary_dump()