+/* printf without lineno information */
+#define printf_fatal(fmt, args...) \
+ _bt_printf(stderr, "fatal", fmt, ## args)
+#define printf_error(fmt, args...) \
+ _bt_printf(stderr, "error", fmt, ## args)
+#define printf_warning(fmt, args...) \
+ _bt_printf(stderr, "warning", fmt, ## args)
+#define printf_perror(fmt, args...) \
+ _bt_printf_perror(stderr, fmt, ## args)
+
+/* printf with lineno information */
+#define printfl_fatal(lineno, fmt, args...) \
+ _bt_printfl(stderr, "fatal", lineno, fmt, ## args)
+#define printfl_error(lineno, fmt, args...) \
+ _bt_printfl(stderr, "error", lineno, fmt, ## args)
+#define printfl_warning(lineno, fmt, args...) \
+ _bt_printfl(stderr, "warning", lineno, fmt, ## args)
+#define printfl_perror(lineno, fmt, args...) \
+ _bt_printfl_perror(stderr, lineno, fmt, ## args)
+
+/* printf with node lineno information */
+#define printfn_fatal(node, fmt, args...) \
+ _bt_printfl(stderr, "fatal", (node)->lineno, fmt, ## args)
+#define printfn_error(node, fmt, args...) \
+ _bt_printfl(stderr, "error", (node)->lineno, fmt, ## args)
+#define printfn_warning(node, fmt, args...) \
+ _bt_printfl(stderr, "warning", (node)->lineno, fmt, ## args)
+#define printfn_perror(node, fmt, args...) \
+ _bt_printfl_perror(stderr, (node)->lineno, fmt, ## args)
+
+/* fprintf with Node lineno information */
+#define fprintfn_fatal(fp, node, fmt, args...) \
+ _bt_printfl(fp, "fatal", (node)->lineno, fmt, ## args)
+#define fprintfn_error(fp, node, fmt, args...) \
+ _bt_printfl(fp, "error", (node)->lineno, fmt, ## args)
+#define fprintfn_warning(fp, node, fmt, args...) \
+ _bt_printfl(fp, "warning", (node)->lineno, fmt, ## args)
+#define fprintfn_perror(fp, node, fmt, args...) \
+ _bt_printfl_perror(fp, (node)->lineno, fmt, ## args)
+
+#ifndef likely
+# ifdef __GNUC__
+# define likely(x) __builtin_expect(!!(x), 1)
+# else
+# define likely(x) (!!(x))
+# endif
+#endif
+
+#ifndef unlikely
+# ifdef __GNUC__
+# define unlikely(x) __builtin_expect(!!(x), 0)
+# else
+# define unlikely(x) (!!(x))
+# endif
+#endif
+
+/*
+ * BT_HIDDEN: set the hidden attribute for internal functions
+ */
+#define BT_HIDDEN __attribute__((visibility("hidden")))
+
+struct bt_trace_descriptor;