from($from)

join($table, $cond[, $type = ''[, $escape = NULL]])

data([$index = NULL])

form_close([$extra = ''])

select_max([$select = ''[, $alias = '']])

cache_on()

parse_smileys([$str = ''[, $image_url = ''[, $smileys = NULL]]])

set_value($field[, $default = ''[, $html_escape = TRUE]])

ip_address()

nl2br_except_pre($str)