srwain DEPRECATED

	status.i4.v = srwain(work_area.i1a.r, length.i2.r)

	This routine initializes a Save/Restore work area for use by future
	calls to "srxxxx" routines.

	work_area	array allocated by the user for use with the
			Save/Restore routines
	length		length of the work array in bytes

	The exact amount of memory to be allocated depends upon the specific
	information being accessed and may be approximated by the following:

		6 + 4(# requests) + (max # of bytes expected in reply)

	This function requires the following include files:

	clib_h

	Related functions:

	srcnct, srcnct_fake, srdcnt, srderr, srdir, srdisk, srget, srgeti, 
	srmod, srproc, srreq, srsetp, srsize, srsnapreq, srston