- unicode-caseflip/
- unicode-check/
- unicode-converttoutf8/
- unicode-encodingfrombom/
- unicode-getstatus/
- unicode-lcfirst/
- unicode-mimeheaderdecode/
- unicode-mimeheaderencode/
- unicode-setstatus/
- unicode-strcasecmp/
- unicode-strlen/
- unicode-strpos/
- unicode-strtolower/
- unicode-strtoupper/
- unicode-substr/
- unicode-truncate/
- unicode-truncatebytes/
- unicode-ucfirst/
- unicode-ucwords/
- unicode-validateutf8/