class output_descr :Creates a?start_pos_out:int -> Unix.file_descr ->
raw_out_channel
raw_out_channel
for the passed file descriptor, which must
be open for writing.
The pos_out
method returns logical positions, i.e. it counts the number
of written octets. It is not tried to determine the real file position.
The method close_out
also closes the file descriptor.
start_pos_out
: The position to which pos_out
is initialized when
the channel is created, by default 0