On Alpha and Integrity server systems, returns all resources
    allocated by $IO_SETUP.

    This service accepts 64-bit addresses.

    Format

      SYS$IO_CLEANUP  fandle

    C Prototype

      int sys$io_cleanup  (unsigned __int64 fandl);

1  –  Arguments

 fandle

    OpenVMS usage:fandle
    type:         64-bit integer (unsigned)
    access:       read only
    mechanism:    by value
    A fandle, passed by value, returned by a previous call to $IO_
    SETUP.