402 set<int> *findRequiredExternal(int nExternal, int nTotal, set<string> *defined,  in findRequiredExternal()  argument
409   for (i = nTotal - 1; i >= nExternal; --i)  in findRequiredExternal()
417       for (i = 0; i < nExternal; ++i) {  in findRequiredExternal()
435   int nExternal, nInternal, i;  in main()  local
442   nExternal = atoi(argv[1]);  in main()
443   if (nExternal <= 0)  in main()
446   if (nExternal + 2 > argc)  in main()
448   nInternal = argc - nExternal - 2;  in main()
458       findRequiredExternal(nExternal, argc - 2, defined, undefined);  in main()
475   for (i = 0; i < nExternal; ++i)  in main()
481   for (i = nExternal + 2; i < argc; ++i)  in main()