1 #ifndef __UTIL_H__ 2 #define __UTIL_H__ 3 4 #define MIN(x, y) ((x) < (y) ? (x) : (y)) 5 #define MAX(x, y) ((x) > (y) ? (x) : (y)) 6 7 void print_hex_dump(const char *prefix, const void *buf, size_t len); 8 9 #endif 10