Overview of User Exit Messages

IBM® Connect:Direct® sends and receives messages, using the send_exit_msg() and the recv_exit_msg() functions for a C++ program or the send_exit_msg_c() and the recv_exit_msg_c() functions for a C program. For the exact definition of the data sent in each message, see the files located in d_dir/ndm/include/user_exit.h and d_dir/ndm/include/user_exit2.h.

Note: The copy control block is defined in user_exit2.h.