Category: <b>DOS-based task switchers/multitaskers</b>
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<pre><b>INT 62 - Cswitch - CHECK SEMAPHORE</b>

	AH = 03h
	DX = semaphore number (0-63)
Return: AX = status
	    FFFFh not owned
	    else  owned
SeeAlso: AH=02h,AH=04h
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