Category: <b>other operating systems</b>
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<pre><b>INT E0 - REAL/32 - "L_CATTACH" - CONDITIONALLY ATTACH TO DEFAULT LIST DEVICE</b>

	CL = A1h
Return: AX = status (00h = successful, FFh = unable to attach)
	may destroy SI,DI
Desc:	attach the default list device to the calling process only if it is
	  currently available
SeeAlso: INT E0/CL=92h,INT E0/CL=9Eh,INT E0/CL=A0h
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