Int 61 Fn 1E  - Pc/tcp Kernel V2.05+ - "net_flush" - Flush Pending Data    [N]

   AH = 1Eh
   BX = network descriptor

Return: CF clear if successful
   CF set on error
       AX = error code (see #2990 at INT 61"FTP Software")
Range: INT 20 to INT E0, selected by configuration

Notes: bufferred data is transmitted immediately, overriding Nagle's algorithm
     if necessary
   this function is not supported by Beame&Whiteside's BWPCTCP v3.0a shim

See Also: INT 61"FTP Software",INT 61/AH=00h"PC/TCP"