see other/test.scm for a quick example, the linux man page of inotify for the general workings of inotify http://www.kernel.org/doc/man-pages/online/pages/man7/inotify.7.html, and inotify.scm for a list of all exported bindings.
to install you can execute exec/install with superuser rights.

= notable bindings
inotify-init
  creates a new inotify instance

inotify-read
  read from an inotify instance, block until new events have occurred,
  and return a list of event vectors with fields as follows:
    index  description
    0      watch-descriptor (identifies a watched target)
    1      mask (an integer encoding the events that happend)
    2      name (if watching a directory the name of the affected file, otherwise false)
    3      cookie (see inotify documentation)

close an inotify instance by using "close" or "close-fdes".

all event mask constants are exported with the same name as defined by inotify