#include <stdint.h>
#include <stdlib.h>
#include <errno.h>
+#include <stdbool.h>
#include <babeltrace/compat/string.h>
#define PERROR_BUFLEN 200
-extern int babeltrace_verbose, babeltrace_debug;
+extern bool babeltrace_verbose, babeltrace_debug;
#define printf_verbose(fmt, args...) \
do { \