+ /** @brief possible content of each configuration cell */
+typedef enum {
+ xbt_cfgelm_int = 0, /**< int */
+ xbt_cfgelm_double, /**< double */
+ xbt_cfgelm_string, /**< char* */
+ xbt_cfgelm_boolean, /**< int */
+ xbt_cfgelm_alias, /**< redirection from a deprecated name to a better one */
+ //! @cond
+ xbt_cfgelm_any, /* not shown to users to prevent errors */
+ xbt_cfgelm_type_count
+ //! @endcond
+} e_xbt_cfgelm_type_t;
+
+/** Boolean possible values **/
+struct xbt_boolean_couple {
+ const char *true_val;
+ const char *false_val;
+};
+
+/** \brief Callback types. They get the name of the modified entry, and the position of the changed value */
+typedef void (*xbt_cfg_cb_t) (const char *, int);
+
+XBT_PUBLIC(xbt_cfg_t) xbt_cfg_new(void);
+XBT_PUBLIC(void) xbt_cfg_cpy(xbt_cfg_t tocopy, /* OUT */xbt_cfg_t * whereto);
+XBT_PUBLIC(void) xbt_cfg_free(xbt_cfg_t * cfg);
+XBT_PUBLIC(void) xbt_cfg_dump(const char *name, const char *indent, xbt_cfg_t cfg);
+
+ /** @} */
+
+/** @defgroup XBT_cfg_register Registering stuff
+ * @ingroup XBT_config
+ *
+ * This how to add new variables to an existing configuration set. Use it to make your code configurable.
+ *
+ * @{
+ */
+XBT_PUBLIC(void) xbt_cfg_register(xbt_cfg_t * cfg, const char *name, const char *description,
+ e_xbt_cfgelm_type_t type, int min, int max, xbt_cfg_cb_t cb_set);
+XBT_PUBLIC(void) xbt_cfg_register_alias(xbt_cfg_t * cfg, const char *newname, const char *oldname);
+XBT_PUBLIC(void) xbt_cfg_unregister(xbt_cfg_t cfg, const char *name);
+XBT_PUBLIC(void) xbt_cfg_register_str(xbt_cfg_t * cfg, const char *entry);
+XBT_PUBLIC(void) xbt_cfg_aliases(xbt_cfg_t cfg);
+XBT_PUBLIC(void) xbt_cfg_help(xbt_cfg_t cfg);
+XBT_PUBLIC(void) xbt_cfg_check(xbt_cfg_t cfg);
+XBT_PUBLIC(e_xbt_cfgelm_type_t) xbt_cfg_get_type(xbt_cfg_t cfg, const char *name);
+/* @} */
+/** @defgroup XBT_cfg_get Getting the stored values
+ * @ingroup XBT_config
+ *
+ * This is how to retrieve the values stored in the configuration set. This is only intended to configurable code,
+ * naturally.
+ *
+ * Note that those function return a pointer to the values actually stored in the set. Do not modify them unless you
+ * really know what you're doing. Likewise, do not free the strings after use, they are not copy of the data, but the
+ * data themselves.
+ *
+ * @{