Call Parameters
| Standard Interface | Enhanced Interface | |
|---|---|---|
| Function Number | Must be 120 | |
| Data String | See the following table | |
| Length | 7 or 11 | Must be 16 |
| PS Position | NA | |
The calling data string can contain:
| Byte | Definition | |
|---|---|---|
| Standard | Enhanced | |
| 1 | 1 | A 1-character presentation space short name (PSID) |
| 2–4 | Reserved | |
| 2–5 | 5–8 | Address of the Query Reply data buffer |
| 6–7 | 9–10 | Destination/origin unique ID. (16-bit word, returned) |
| 11–12 | Reserved | |
| 8–11 | 13–16 | The data in these position is ignored by EHLLAPI. However, no error is caused if the migrating program has data in these positions. This data is accepted to provide compatibility with migrating applications. |