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.