edit_hex_digit    161 modules/gui_hexbox.c             edit_hex_digit((unsigned int*)num_to_edit, currpos, 1);
edit_hex_digit    165 modules/gui_hexbox.c             edit_hex_digit((unsigned int*)num_to_edit, currpos, -1);
edit_hex_digit    181 modules/gui_hexbox.c             edit_hex_digit((unsigned int*)num_to_edit, currpos, 0); // zero current digit only