+extern void guestfs_error (guestfs_h *g, const char *fs, ...);
+extern void guestfs_perrorf (guestfs_h *g, const char *fs, ...);
+extern void *guestfs_safe_malloc (guestfs_h *g, size_t nbytes);
+extern void *guestfs_safe_realloc (guestfs_h *g, void *ptr, int nbytes);
+extern char *guestfs_safe_strdup (guestfs_h *g, const char *str);
+extern void *guestfs_safe_memdup (guestfs_h *g, void *ptr, size_t size);
+
+extern int guestfs_send (guestfs_h *g, int proc_nr, xdrproc_t xdrp, char *args);
+