#ifndef __SYS_PARAM_H #define __SYS_PARAM_H #define MIN(a, b) (((a) < (b)) ? (a) : (b)) #define MAX(a, b) (((a) > (b)) ? (a) : (b)) #define offsetof(s, e) __builtin_offsetof(s, e) #define nitems(_a) (sizeof((_a)) / sizeof((_a)[0])) #endif