418     data_string *ds_dst;  in proxy_set_header()  local
420 …if (NULL == (ds_dst = (data_string *)array_get_unused_element(con->request.headers, TYPE_STRING)))…  in proxy_set_header()
421           ds_dst = data_string_init();  in proxy_set_header()
424     buffer_copy_string(ds_dst->key, key);  in proxy_set_header()
425     buffer_copy_string(ds_dst->value, value);  in proxy_set_header()
426     array_insert_unique(con->request.headers, (data_unset *)ds_dst);  in proxy_set_header()
430     data_string *ds_dst;  in proxy_append_header()  local
432 …if (NULL == (ds_dst = (data_string *)array_get_unused_element(con->request.headers, TYPE_STRING)))…  in proxy_append_header()
433           ds_dst = data_string_init();  in proxy_append_header()
436     buffer_copy_string(ds_dst->key, key);  in proxy_append_header()
437     buffer_append_string(ds_dst->value, value);  in proxy_append_header()
438     array_insert_unique(con->request.headers, (data_unset *)ds_dst);  in proxy_append_header()