Int 61/AH=21h

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PC/TCP kernel v2.05+ - get_option - GET OPTIONS APPLIED TO NET DESCR

AH = 21h
BX = network descriptor
CX = length of buffer
DS:DX -> buffer for return values
SI = 0004h (ignored by v2.2-)
DI = option (see #03468)

Return:
CF clear if successful DS:DX -> value (usually 32 bits) returned by selected option CF set on error AX = error code (see #03319 at INT 61"FTP Software")

Notes: This function is not supported by Beame&Whiteside's BWPCTCP v3.0a shim. V2.11 reportedly stores the actual 32-bit value of an option in DS:DX rather than using a buffer in memory

See Also: INT 61"FTP Software" - INT 61/AH=00h"PC/TCP" - INT 61/AH=20h

Category: Network - Int 61h - P

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