1 <!-- ##### SECTION Title ##### -->
4 <!-- ##### SECTION Short_Description ##### -->
5 Defining messages and callbacks, and sending/receiving messages.
7 <!-- ##### SECTION Long_Description ##### -->
12 <!-- ##### SECTION See_Also ##### -->
17 <!-- ##### FUNCTION gras_msgtype_register ##### -->
29 <!-- ##### USER_FUNCTION gras_cb_t ##### -->
38 <!-- ##### FUNCTION gras_cb_register ##### -->
49 <!-- ##### FUNCTION gras_msg_new ##### -->
61 <!-- ##### FUNCTION gras_msg_free ##### -->
69 <!-- ##### FUNCTION gras_msg_handle ##### -->
78 <!-- ##### FUNCTION gras_msg_send ##### -->
89 <!-- ##### FUNCTION gras_msg_wait ##### -->