105 int main(int argc, char *argv[])  in main()  argument
122     while (--argc > 0)  in main()
138                     argc--;  in main()
144                     if (argc == 1)  in main()
154                         argc--;  in main()
172                     if (argc == 1)  in main()
182                         argc--;  in main()
198                     if (argc == 1)  in main()
205                     argc--;  in main()
218                     if (argc == 1)  in main()
226                     argc--;  in main()
271     if (argc == 0)  in main()
279     if (argc > 1)  in main()