<?xml version='1.0'?>

<para>
  Functions whose return type is <type>bool</type> return true on success and false on failure. Functions whose return
  type is a pointer return <constant>NULL</constant> on failure. Use
  <citerefentry><refentrytitle>waffle_error_get_info</refentrytitle><manvolnum>3</manvolnum></citerefentry> to get
  information about any errors.
</para>

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