Primitive data types and data structures

Each primitive is identified as a primitive type:

• SL_PRIMITIVE_TYPE structure below

Request, confirm, and indication primitives have similar data structures with minor differences in the validity of some fields:

• SL_CONFIRM_ST data structure
• SL_INDICATION_ST data structure
• SL_REQUEST_ST data structure

Each of these data structures includes a parameter structure:

• SL_CONFIRM_PARM_ST data structure
• SL_INDICATION_PARM_ST data structure
• SL_REQUEST_PARM_ST data structure

For additional error checking, each primitive structure is identified by a structure identifier tag (or eye-catcher) which identifies the type of the structure in storage:

• SL_ID structure identifier tag