#include <getopt.h>
#include <errno.h>
#include <signal.h>
+#include <locale.h>
#include "blktrace.h"
#include "rbtree.h"
signal(SIGHUP, handle_sigint);
signal(SIGTERM, handle_sigint);
+ setlocale(LC_NUMERIC, "en_US");
+
if (!strcmp(dev, "-"))
ret = do_stdin();
else