types.h

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#ifndef _TYPES_H_
#define _TYPES_H_

#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))

typedef unsigned char       u8;
typedef unsigned short      u16;
typedef unsigned int        u32;
typedef unsigned long long  u64;
typedef signed char     s8;
typedef short           s16;
typedef int         s32;
typedef long long       s64;

#define min(x,y) ({ \
    typeof(x) _x = (x); \
    typeof(y) _y = (y); \
    (void) (&_x == &_y);    \
    _x < _y ? _x : _y; })

#define max(x,y) ({ \
    typeof(x) _x = (x); \
    typeof(y) _y = (y); \
    (void) (&_x == &_y);    \
    _x > _y ? _x : _y; })

#endif /* _TYPES_H_ */