Linux-2.6.33.2/tools/perf/util/types.h

#ifndef __PERF_TYPES_H
#define __PERF_TYPES_H

/*
 * We define u64 as unsigned long long for every architecture
 * so that we can print it with %Lx without getting warnings.
 */
typedef unsigned long long u64;
typedef signed long long   s64;
typedef unsigned int	   u32;
typedef signed int	   s32;
typedef unsigned short	   u16;
typedef signed short	   s16;
typedef unsigned char	   u8;
typedef signed char	   s8;

#endif /* __PERF_TYPES_H */