consume_comment() * * Advance comments (c-style inline and multiline). */

consume_whitespace() * * Advance until the current character is non-whitespace. */

encode_utf8(pt, out) * * Encode pt as UTF-8 and add it to out. */

expect(str, res) * * Expect that 'str' starts at the character that was just read. If it does, advance * the input and return res. If n

get_next_token() * * Return the next non-whitespace character. If the end of the input is reached, * flag an error and return 0. *