129     Py_UCS4 fill_char;  member
144     printf("internal format spec: fill_char %d\n", format->fill_char);
182     format->fill_char = ' ';  in parse_internal_render_format_spec()
195         format->fill_char = READ_spec(pos);  in parse_internal_render_format_spec()
221         format->fill_char = '0';  in parse_internal_render_format_spec()
369              Py_UCS4 fill_char, Py_ssize_t n_lpadding,  in fill_padding()  argument
377         _PyUnicode_FastFill(writer->buffer, pos, n_lpadding, fill_char);  in fill_padding()
383         _PyUnicode_FastFill(writer->buffer, pos, n_rpadding, fill_char);  in fill_padding()
533     if (format->fill_char == '0' && format->align == '=')  in calc_number_widths()
585         *maxchar = Py_MAX(*maxchar, format->fill_char);  in calc_number_widths()
602             Py_UCS4 fill_char,  in fill_number()  argument
613                             writer->pos, spec->n_lpadding, fill_char);  in fill_number()
637                             writer->pos, spec->n_spadding, fill_char);  in fill_number()
687                             fill_char);  in fill_number()
819         maxchar = Py_MAX(maxchar, format->fill_char);  in format_string_internal()
830     result = fill_padding(writer, len, format->fill_char, lpad, rpad);  in format_string_internal()
1008                          tmp, prefix, format->fill_char,  in format_long_internal()
1156                          NULL, 0, format->fill_char,  in format_float_internal()
1222     if (format->fill_char == '0') {  in format_complex_internal()
1322     tmp_format.fill_char = '\0';  in format_complex_internal()
1356         maxchar = Py_MAX(maxchar, format->fill_char);  in format_complex_internal()
1366                           format->fill_char, lpad, rpad);  in format_complex_internal()