以下列出「動作語言」保留字。內建函數的所有保留字都是小寫,例如,if。
| asm | continue | float | int | params | sizeof | typedef |
| auto | default | for | IS_IN | private | 靜態 | union |
| break | delete | 夥伴 | IS_PORT | protected | struct | unsigned |
| case | do | GEN | long | public | switch | virtual |
| catch | double | goto | new | register | template | void |
| char | else | id | operator | return | this | volatile |
| class | enum | if | OPORT | short | throw | while |
| 常數 | extern | inline | OUT_PORT | signed | try |