+char * sprint_hex(const uint8_t * data, const size_t len);
+char * sprint_bin(const uint8_t * data, const size_t len);
+
+void num_to_bytes(uint64_t n, size_t len, uint8_t* dest);
+uint64_t bytes_to_num(uint8_t* src, size_t len);
+char * printBits(size_t const size, void const * const ptr);
+
+char param_getchar(const char *line, int paramnum);
+uint8_t param_get8(const char *line, int paramnum);
+uint8_t param_get8ex(const char *line, int paramnum, int deflt, int base);
+uint32_t param_get32ex(const char *line, int paramnum, int deflt, int base);
+uint64_t param_get64ex(const char *line, int paramnum, int deflt, int base);
+uint8_t param_getdec(const char *line, int paramnum, uint8_t *destination);
+uint8_t param_isdec(const char *line, int paramnum);
+int param_gethex(const char *line, int paramnum, uint8_t * data, int hexcnt);
+int param_getstr(const char *line, int paramnum, char * str);
+
+ int hextobinarray( char *target, char *source);
+ int hextobinstring( char *target, char *source);
+ int binarraytohex( char *target, char *source, int length);
+void binarraytobinstring(char *target, char *source, int length);
+uint8_t GetParity( char *string, uint8_t type, int length);
+void wiegand_add_parity(char *target, char *source, char length);
+