Function 52, subfunction 8 - read data from the network output queue.
Parameters:
- eax = 52 - function number
- ebx = 8 - subfunction number
- esi = pointer to 1500-byte buffer
Returned value:
- eax = number of read bytes (in the current implementation
either 0 = no data or 1500)
- data was copied in buffer
Remarks:
- This function is intended only for slow network drivers
(PPP, SLIP).