xbt_cfg_cb_t cb_set, xbt_cfg_cb_t cb_rm);
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_cfg_cb_t cb_set, xbt_cfg_cb_t cb_rm);
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);