clu_add

	status.i4.v = clu_add(message.i1a.r)

	This function writes one line of information to the log file
	opened by a previous call to clu_open.  It is inserted at the
	next logical position in the circular file.  It returns zero (0)
	on success, and EOF on failure.  This function only works in 
	a Console Instance Environment.  It returns EOF in a Non-Console
	environment.

	message		message to insert in the log

	This function returns status values as follows:

	0			success
	EOF			add failed or in a nonconsole environment

	This function requires the following include files:

	cludefs_h, stdio.h

	Related functions:

	clu_open, clu_close, clu_get