SM_ENTRY_M macro

SM_ENTRY_M - State machine function entry point for state machine group @machine: State machine name @_state: State machine state @data: State variable prefix (full variable: prefix_state) This macro is like SM_ENTRY, but for state machine groups that use a shared data structure for more than one state machine. Both machine and prefix parameters are set to "sub-state machine" name. prefix is used to allow more than one state variable to be stored in the same data structure.