valid_file_name_chars   50 src/dps8/utfile.c static char valid_file_name_chars[]
valid_file_name_chars  178 src/dps8/utfile.c   long valid_char_count = (long) strlen(valid_file_name_chars);
valid_file_name_chars  191 src/dps8/utfile.c         = valid_file_name_chars[random() % valid_char_count];