INT 63 - BW-TCP - TCPIP.SYS - GET SOCKET
        AH = 24h
Return: AX = socket number (0400h-FFFFh)
Note:   the Beame&Whiteside TCP/IP protocol stack uses two consecutive
          interrupts (62h and 63h by default); the BW-NFS client uses a third
          consecutive interrupt (64h by default) if it is loaded
SeeAlso: INT 62"BW-TCP",INT 64"BW-NFS"

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