extern tfc_byte macvrfy[SKEIN_DIGEST_SIZE], macresult[SKEIN_DIGEST_SIZE];
extern tfc_byte tmpdata[TFC_TMPSIZE];
extern char *randsource;
-extern tfc_fsize iseek_blocks, iseek, oseek, maxlen;
+extern tfc_fsize iseek_blocks, iseek, oseek, maxlen, ftrunc_dfd;
extern tfc_fsize total_processed_src, total_processed_dst;
extern tfc_fsize delta_processed;
extern tfc_fsize genrandom_nr_bytes, genzero_nr_bytes;
tfc_yesno skeinfd(void *hash, size_t bits, const void *key, int fd, tfc_fsize offset, tfc_fsize readto);
void read_defaults(const char *path, tfc_yesno noerr);
+void hash_defaults(char *uhash, size_t szuhash);
void gen_write_bytes(const char *foutname, tfc_fsize offset, tfc_fsize nrbytes);
void do_edbase64(char **fargv);