is_generic_message

	status.i4.v = is_generic_message(message.g.v, message_type.i4.r)

	This routine checks a buffer to see if it is a generic message
	buffer.  If this is a generic message and it has been byte
	swapped, this routine will byte swap it again.

	message		message buffer to check
	message_type	returned type of message
			(GENMESS_NONE -> not a generic message buffer,
			 GENMESS_REMOTE_PROGRAM -> remote program message)
			(If this information is not needed, a value of NULL
			 can be passed for this argument.)

	This function returns ACNET status values as follows:

	TRUE			passed buffer is a generic message buffer
	FALSE			passed buffer is not a generic message buffer

	This function requires the following include files:

	cnsparam_h, clib_h

	Related functions:

	generic_message_init, remote_program_check