Here is a list of all documented struct and union fields with links to the struct/union documentation for each field:

- u -

• ui() : CI_Jquery
• unload() : CI_Javascript
• unset_userdata() : CI_Session
• update() : CI_DB_active_record , CI_Cart , CI_Javascript
• update_batch() : CI_DB_active_record
• update_string() : CI_DB_driver
• upload() : CI_FTP
• uri_string() : CI_URI
• uri_to_assoc() : CI_URI
• use_strict() : CI_Unit_test
• user_agent() : CI_Input
• userdata() : CI_Session