INT 61 - PC/TCP kernel v2.05+ - "net_writeto" - WRITE A DATAGRAM
AH = 1Ch
BX = network descriptor
CX = number of bytes to transmit (0000h allowed)
DX = send options (see #03464)
DS:SI -> data to be written
ES:DI -> "addr" structure (see #03462)
Return: CF clear if successful
AX = number of bytes actually written
DX = ???
CF set on error
AX = error code (see #03319 at INT 61"FTP Software")
Note: this function differs from AH=1Ah in that the address and socket
numbers can be overridden
SeeAlso: INT 61"FTP Software",INT 61/AH=00h"PC/TCP",INT 61/AH=1Ah,INT 61/AH=1Dh
SeeAlso: INT 63/AH=21h"BW-TCP"