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620A

Category: DOS-based task switchers/multitaskers

INT 62 - Cswitch - TEST MESSAGE QUEUE

	AH = 0Ah
	DX = queue number (0-63)
Return: AX = result/message size
	    0000h nothing on queue
	    FFFFh bad queue number
	    else  number of bytes in first message in queue
SeeAlso: AH=0Bh"Cswitch",AH=0Ch"Cswitch"

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