All XDS functions return a DS_status, which is the C function result; most return data in an invoke_id parameter, which identifies the particular invocation, and the interrogation operations each return data in the result parameter. The invoke_id and result values are returned using pointers that are supplied as parameters of the C function. These three types of function results are introduced in the following subtopics.
All OM objects returned by interface functions (results and errors) are private objects in the workspace returned by ds_initialize( ).
More: