17.10 - Function - Call-Level Interface Version 2

Teradata® Call-Level Interface Version 2 Reference for Workstation-Attached Systems

Call-Level Interface Version 2
Release Number
Release Date
October 2021
Content Type
Programming Reference
Publication ID
English (United States)

Usage Notes

The Function field specifies the operation to be carried out by DBCHCL.

Language Variable Name
C: DBCAREA.H: func
Routine Action Taken
DBCHINI: writes
DBCHCL: reads
Used by Action Taken
application program writes

The application program must set the Function field to the appropriate non-zero value before calling DBCHCL. It is recommended that mnemonics be used for the codes.

Each of the following codes represents a different operation:

Code Operation Mnemonic
1 Connect DBFCON
2 Disconnect DBFDSC
3 Run Startup DBFRSUP
4 Initiate Request DBFIRQ
5 Fetch DBFFET
6 Rewind DBFREW
7 Abort DBFABT
8 End Request DBFERQ
15 Continue Request DBFCRQ