+extern void dri_message(int level, const char *f, ...) PRINTFLIKE(2, 3);
+
+#define InfoMessageF(...) dri_message(_LOADER_INFO, __VA_ARGS__)
+#define ErrorMessageF(...) dri_message(_LOADER_WARNING, __VA_ARGS__)
+#define CriticalErrorMessageF(...) dri_message(_LOADER_FATAL, __VA_ARGS__)
+
+extern const __DRIextension **driOpenDriver(const char *driverName,
+ void **out_driver_handle);
+
+extern bool
+dri2_convert_glx_attribs(unsigned num_attribs, const uint32_t *attribs,
+ unsigned *major_ver, unsigned *minor_ver,
+ uint32_t *render_type, uint32_t *flags, unsigned *api,
+ int *reset, int *release, unsigned *error);
+
+extern bool
+dri2_check_no_error(uint32_t flags, struct glx_context *share_context,
+ int major, unsigned *error);