Return Parameters
| Return Code | Explanation |
|---|---|
| 0 | The Query Communications Buffer Size function was successful. |
| 1 | A specified host presentation space short session ID was not valid or was not connected. |
| 2 | An error was made in specifying parameters. |
| 9 | A system error occurred. |
| 10 | The function was not supported by the emulation program. |