#ifdef ICONV_OPTION
extern iconv_t ic_send, ic_recv;
#endif
-extern char curr_dir[];
+extern char curr_dir[MAXPATHLEN];
extern char *module_dir;
extern unsigned int module_dirlen;
-extern char sender_file_sum[];
+extern char sender_file_sum[MAX_DIGEST_LEN];
static int log_initialised;
static int logfile_was_closed;