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BX = 0023h DX = socket number (0000h for dynamic allocation) ES:SI -> Look Ahead handler (see #03831) BP = desired lookahead size (0000h-0080h)
Return:
AL = status 00h successful DX = assigned socket number (big-endian) FEh maximum number of sockets already open FFh specific socket already opened by another application DS,FLAGS preserved all other registers may be destroyed
Notes: The socket will always be long-lived, and must thus be explicitly closed with INT 7A/BX=0001h before the Look Ahead handler code is removed from memory (i.e. the program terminates). This function is only supported if INT 2F/AX=7A00h returns ES:BX pointing at an IPX version greater than 3.30. The desired lookahead size is the smallest-size packet (including IPX header) that should be passed to the lookahead handler when it arrives
See Also: INT 7A/BX=0000h - INT 7A/BX=0001h
(Table 03831) Call IPX Look-Ahead handler with:. AX = packet's destination socket. DS:SI -> look-ahead structure (see #03010 at INT 2F/AX=C000h"LSL"). DF clear. Interrupt disabled (must remain disabled)
Return:
AX = packet use 0000h application want packet ES:SI -> ODI ECB (see #03011 at INT 2F/AX=C000h"LSL") 8001h application does not want packet ZF set if AX=0000h DS,DI,BP,SS,SP preserved interrupts disabled
Category: Netware - Int 7Ah - N
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