extern int guestfs_mount_ro (guestfs_h *handle, const char *device, const char *mountpoint);
extern int guestfs_mount_options (guestfs_h *handle, const char *options, const char *device, const char *mountpoint);
extern int guestfs_mount_vfs (guestfs_h *handle, const char *options, const char *vfstype, const char *device, const char *mountpoint);
extern int guestfs_mount_ro (guestfs_h *handle, const char *device, const char *mountpoint);
extern int guestfs_mount_options (guestfs_h *handle, const char *options, const char *device, const char *mountpoint);
extern int guestfs_mount_vfs (guestfs_h *handle, const char *options, const char *vfstype, const char *device, const char *mountpoint);