| A | C | D | F | G | I | K | L | M | N | P | R | T | U |
| ACTION_QUEUE | ACTION_STACK |
| DeleteArgstring | DT_DEV | DT_VOL |
| DeleteRexxMsg | DT_DIR |
| FillRexxMsg |
| GLOBALSZ |
| IsRexxMsg |
| KEEPNUM | KEEPSTR |
| LengthArgstring | LockRexxBase |
| MAXRMARG | MEMMASK | MEMQUICK |
| MEMCLEAR | MEMQUANT |
| PIoBuff | PRexxMsg | PRexxTask |
| PNexxStr | PRexxMsgPort | PRxsLib |
| PRexxArg | PRexxRsrc | PSrcNode |
| TIoBuff | TRexxMsg | TRexxTask |
| TNexxStr | TRexxMsgPort | TRxsLib |
| TRexxArg | TRexxRsrc | TSrcNode |
| UnlockRexxBase |