Flush stdin

[Dan Stromberg]

On Sat, Oct 18, 2014 at 6:34 PM, Dan Stromberg <drsalists at gmail.com> wrote:
>> Once the "nc" process actually write()s the data to its standard
>> output (i.e. desriptor 1, not the "stdout" FILE*)
> I'm not sure why you're excluding stdout, but even if nc is using
> filedes 1 instead of FILE * stdout, isn't it kind of irrelevant?

On further reflection, isn't it stdio that does the varied buffering,
and filedes 1 that's always unbuffered?  IOW, the OP might wish nc was
using 1, but it probably can't be given what they're seeing.