Function write_out

src/fold.c:146–152

}

static void
write_out (char const *line, size_t line_len, bool newline)
{
  if (fwrite (line, sizeof (char), line_len, stdout) != line_len
      || (newline && putchar ('\n') < 0))
    write_error ();
}

/* Fold file FILENAME, or standard input if FILENAME is "-",
   to stdout, with maximum line length WIDTH.