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+This is a libarary of routines for use by modules. The routines seem
+to have a common use for modules, but are not part of libpam and never
+will be. They are also a convenient layer of abstraction for providing
+thread-safe functions that may require use of pam_handle_t 'data'
+items to make their thread-safeness tied to the use of a single
+pam_handle_t per thread.
+Functions provided so far are all listed in
+ include/security/_pam_modutil.h