105       int c;  in expand()  local
125           while ((c = getc (fp)) < 0 && (fp = next_file (fp)))  in expand()
130               if (c == '\t')  in expand()
149                   c = ' ';  in expand()
151               else if (c == '\b')  in expand()
165               convert &= convert_entire_line || !! isblank (c);  in expand()
168           if (c < 0)  in expand()
171           if (putchar (c) < 0)  in expand()
174       while (c != '\n');  in expand()
181   int c;  in main()  local
192   while ((c = getopt_long (argc, argv, shortopts, longopts, nullptr)) != -1)  in main()
194       switch (c)  in main()
211               tab_stop[0] = c;  in main()