Interrupt 60h   10-Net Network 
 
entry   AH      11h     Lock and Wait 
	AL      drive number or 0 
	DX      number of seconds to wait 
	ES:SI   Ethernet address or 0 
	DS:BX   pointer to 31-byte ASCIIZ semaphore name 
return  AL      status 
		0       successful 
		1       timeout 
		2       server not responding 
		3       invalid semaphore name 
		4       semaphore list is full 
		5       invalid drive ID 
		6       invalid Ethernet address 
		7       not logged in 
		8       write to network failed 
		9       semaphore already logged for this CPU 
 
entry   AH      12h     Lock 
	AL      drive number or 0 for default 
	ES:SI   Ethernet address or 0 
	DS:BX   pointer to 31-byte ASCIIZ semaphore name 
return  AL      status (see function 11h) 
		1       semaphore currently logged 
note    Unlike function 11h, this function returns immediately 
 
entry   AH      13h     Unlock 
	AL      drive number or 0 
	ES:SI   Ethernet address or 0 
	DS:BX   pointer to 31-byte ASCIIZ semaphore name 
return  AL      status (see function 11h) 
		1       semaphore not logged 

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