It now uses the local IP adress of the control connection.

include sys/time.h as well

it to NULL and then use the internal default instead. It will always be
a function to call.

function.

file handle

for newbies ;-)

for receiving data from the network. It is meant as a hint, not as a forced
limit.

  faster on Windows when removing the 1 microsecond timeout.

variables, conditions and things.

FTP from closing the connections a little too often!