use libblkid to get filesystem type
we can now use libblkid to detect exfat
diff --git a/libblkid/version.c b/libblkid/version.c
new file mode 100644
index 0000000..9659b4c
--- /dev/null
+++ b/libblkid/version.c
@@ -0,0 +1,63 @@
+/*
+ * version.c --- Return the version of the blkid library
+ *
+ * Copyright (C) 2004 Theodore Ts'o.
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Lesser General
+ * Public License.
+ * %End-Header%
+ */
+
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#include <string.h>
+#include <stdio.h>
+#include <ctype.h>
+
+#include "blkid.h"
+#include "config.h"
+
+/* LIBBLKID_* defined in the global config.h */
+static const char *lib_version = LIBBLKID_VERSION; /* release version */
+static const char *lib_date = LIBBLKID_DATE;
+
+/**
+ * blkid_parse_version_string:
+ * @ver_string: version string (e.g. "2.16.0")
+ *
+ * Returns: release version code.
+ */
+int blkid_parse_version_string(const char *ver_string)
+{
+ const char *cp;
+ int version = 0;
+
+ for (cp = ver_string; *cp; cp++) {
+ if (*cp == '.')
+ continue;
+ if (!isdigit(*cp))
+ break;
+ version = (version * 10) + (*cp - '0');
+ }
+ return version;
+}
+
+/**
+ * blkid_get_library_version:
+ * @ver_string: returns relese version (!= SONAME version)
+ * @date_string: returns date
+ *
+ * Returns: release version code.
+ */
+int blkid_get_library_version(const char **ver_string,
+ const char **date_string)
+{
+ if (ver_string)
+ *ver_string = lib_version;
+ if (date_string)
+ *date_string = lib_date;
+
+ return blkid_parse_version_string(lib_version);
+}