Convert 1000000 usec to 1 sec 0 usec.
Use provided safe malloc (rtmalloc()) instead of malloc(): exit on allocation
failure.
Correct use of .Nm
Add usage() and use errx().
The answer is not really, but almost.
it sent data that was ok, though it was a hack,
but it was bug-compatible with the kernel on receiving them. This also
had been fixed with a hack.. I hacked it better I think.
