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AX = 4402h BX = file handle referencing device "TCPDRV$" CX = 0019h DS:DX -> buffer containing request block (see #01504)
Return:
CF clear if successful buffer filled CF set on error AX = error code (01h,05h,06h,0Dh) (see #01680 at AH=59h/BX=0000h)
Program: TCPDRV.DOS is the low-level device driver supporting LAN Manager's TCP/IP protocol stack
Format of TCPDRV.DOS request block: Offset Size Description (Table 01504) 00h BYTE (call) function number 00h initialize ??? 06h get ??? 07h get ??? 01h BYTE (call) 00h (ret) error code if error, unchanged if successful 02h WORD signature 4354h ('CT') ---function 00h--- 04h DWORD (call) pointer to ??? FAR function function is called with ES:BX -> device driver request used to invoke this function 08h 4 BYTEs ??? 0Ch DWORD (call) pointer to ??? record, WORD at offset 22h is read 10h DWORD (ret) -> ??? buffer if 0000h:0000h on call ---function 06h--- 04h 4 BYTEs ??? 08h DWORD (ret) pointer to ??? ---function 07h--- 04h DWORD (ret) pointer to ??? record
Category: Network - Int 21h - L
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