+extern char *guestfs_dmesg (guestfs_h *handle);
+extern int guestfs_ping_daemon (guestfs_h *handle);
+extern int guestfs_equal (guestfs_h *handle, const char *file1, const char *file2);
+extern char **guestfs_strings (guestfs_h *handle, const char *path);
+extern char **guestfs_strings_e (guestfs_h *handle, const char *encoding, const char *path);
+extern char *guestfs_hexdump (guestfs_h *handle, const char *path);