doc: Document assert_int_equal().
diff --git a/include/cmocka.h b/include/cmocka.h
index 1b6144f..7c777c1 100755
--- a/include/cmocka.h
+++ b/include/cmocka.h
@@ -409,11 +409,25 @@
__FILE__, __LINE__)
#endif
-/* Assert that the two given integers are equal, otherwise fail. */
+#ifdef DOXYGEN
+/**
+ * @brief Assert that the two given integers are equal.
+ *
+ * The function prints an error message to standard error and terminates the
+ * test by calling fail() if the integers are not equal.
+ *
+ * @param[in] a The first integer to compare.
+ *
+ * @param[in] b The integer to compare against the first one.
+ */
+void assert_int_equal(int a, int b);
+#else
#define assert_int_equal(a, b) \
_assert_int_equal(cast_to_largest_integral_type(a), \
cast_to_largest_integral_type(b), \
__FILE__, __LINE__)
+#endif
+
/* Assert that the two given integers are not equal, otherwise fail. */
#define assert_int_not_equal(a, b) \
_assert_int_not_equal(cast_to_largest_integral_type(a), \
