unmark_flash($key)

unix_to_human([$time = ''[, $seconds = FALSE[, $fmt = 'us']]])

next_row([$type = 'object'])

character_limiter($str[, $n = 500[, $end_char = '…']])

class CI_Config $config Array of all loaded config values

set_empty($value)

upload($locpath, $rempath[, $mode = 'auto'[, $permissions = NULL]])

singular($str)

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

db_pconnect()