+void *mmap_file(byte *name, unsigned *len, int writeable);
+void munmap_file(void *start, unsigned len);
+
+/* proctitle.c */
+
+void setproctitle_init(int argc, char **argv);
+void setproctitle(char *msg, ...) __attribute__((format(printf,1,2)));
+
+/* randomkey.c */
+
+void randomkey(byte *buf, uns size);