- db_insert
- db_replace
- db_update
- db_delete
- db_truncate
- db_get
- db_select
- db_from
- db_join
- db_where
- db_like
- db_group_by
- db_distinct
- db_having
- db_order_by
- db_limit
- db_count_all
- db_count_all_results
- db_group_start
- db_group_end
- db_affected_rows
- db_insert_id
- db_result
- db_result_array
- db_row
- db_row_array
- db_num_fields
- db_num_rows
- load_driver
- load_library
- load_model
- load_view
- _cookie
- _get
- _post
- _server
- set_cookie
- ip_address
- form_open
- form_open_multipart
- form_close
- form_hidden
- form_input
- form_password
- form_upload
- form_textarea
- form_dropdown
- form_checkbox
- form_radio
- form_label
- form_submit
- form_reset
- form_button
- form_fieldset
- form_fieldset_close
- set_value
- set_select
- set_checkbox
- set_radio
- form_error
- validation_errors
- set_data
- set_error_delimiters
- set_message
- set_rules
- run_validation
- sess_userdata
- sess_set_userdata
- sess_has_userdata
- sess_unset_userdata
- sess_destroy
- sess_flashdata
- sess_set_flashdata
- sess_tempdata
- sess_set_tempdata
- base_url
- site_url
- current_url
- uri_string
- anchor
- mailto
- url_title
- prep_url
- redirect
- segment
- upload
- send_email
- controller
- helper
- library
- model
- get_instance