Library /sys$common/syshlp/helplib.hlb  —  CRTL  poll
    Provides users with a mechanism for multiplexing input/output
    over a set of file descriptors that reference open streams.

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

    Format

      #include  <poll.h>

      int poll  (struct pollfd filedes [], nfds_t nfds, int timeout);
Additional Information: explode extract
Argument Description Return Values
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