+extern int ukbhit(void);
+
+extern void AddLogLine(char *fileName, char *extData, char *c);
+extern void AddLogHex(char *fileName, char *extData, const uint8_t * data, const size_t len);
+extern void AddLogUint64(char *fileName, char *extData, const uint64_t data);
+extern void AddLogCurrentDT(char *fileName);
+extern void FillFileNameByUID(char *fileName, uint8_t * uid, char *ext, int byteCount);
+
+extern void hex_to_buffer(const uint8_t *buf, const uint8_t *hex_data, const size_t hex_len,
+ const size_t hex_max_len, const size_t min_str_len, const size_t spaces_between, bool uppercase);
+
+extern void print_hex(const uint8_t * data, const size_t len);
+extern char *sprint_hex(const uint8_t * data, const size_t len);
+extern char *sprint_hex_inrow(const uint8_t *data, const size_t len);
+extern char *sprint_hex_inrow_ex(const uint8_t *data, const size_t len, const size_t min_str_len);
+extern char *sprint_bin(const uint8_t * data, const size_t len);
+extern char *sprint_bin_break(const uint8_t *data, const size_t len, const uint8_t breaks);
+extern char *sprint_hex_ascii(const uint8_t *data, const size_t len);
+extern char *sprint_ascii(const uint8_t *data, const size_t len);
+extern char *sprint_ascii_ex(const uint8_t *data, const size_t len, const size_t min_str_len);