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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def getflags(fd):
 """ Gets per-file filesystem flags. """


    flags_ptr = ffi.new('uint64_t*')
    flags_buf = ffi.buffer(flags_ptr)
    fcntl.ioctl(fd, lib.FS_IOC_GETFLAGS, flags_buf)
    return flags_ptr[0]