High-resolution sleep (REALTIME). Suspends a process (or thread
    in a threaded program) from execution for the specified timer
    interval.

    This function is supported on OpenVMS Integrity servers and
    Alpha only.

    Format

      #include  <time.h>

      int nanosleep  (const struct timespec *rqtp, struct timespec *rmtp);

  Additional Information (explode) :

• Arguments
• Description
• Return Values