typedef void (*guestfs_log_message_cb) (guestfs_h *g, void *data, char *buf, int len);
typedef void (*guestfs_subprocess_quit_cb) (guestfs_h *g, void *data);
typedef void (*guestfs_launch_done_cb) (guestfs_h *g, void *data);
typedef void (*guestfs_log_message_cb) (guestfs_h *g, void *data, char *buf, int len);
typedef void (*guestfs_subprocess_quit_cb) (guestfs_h *g, void *data);
typedef void (*guestfs_launch_done_cb) (guestfs_h *g, void *data);