During process startup, how is DEFINE information passed to the process?

A.
The child process receives DEFINE system messages from the parent process as part of the startup
sequence.

B.
The child process programmatically receives the DEFINE information using the function getenv().

C.
By default the parent process propagates the DEFINE information in its current context to the
child process using the Process File Segment.

D.
DEFINE information can be retrieved by the child process by using the DEFINEINFO procedure call.