4 #define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
6 static inline int is_printable(const unsigned char c)
8 return c >= 0x20 && c < 0x80;
11 int datalen(const unsigned char *data);
12 void print_hex(const unsigned char *data, int len);
13 void print_ascii(const unsigned char *data, int len);