#ifndef COMMON_H_
#define COMMON_H_

#define true 1
#define false 0

#define NULL ((void*)0)

#define va_list __builtin_va_list
#define va_start __builtin_va_start
#define va_end __builtin_va_end
#define va_arg __builtin_va_arg

#define offsetof(type, member) ((size_t)&(((type*)0)->member))

typedef int bool;
typedef unsigned char uint8_t;
typedef unsigned short uint16_t ;
typedef unsigned int uint32_t;

typedef uint32_t size_t;
typedef uint32_t paddr_t;
typedef uint32_t vaddr_t ;

void printf(const char *fmt, ...);

size_t align_up(size_t value, size_t align);
size_t is_aligned(size_t value, size_t align);

void *memcpy(void *dst, const void *src, size_t n);
void *memset(void *buf, char c, size_t n);

char *strcpy(char *dst, const char *src);
int strcmp(const char *s1, const char *s2);

#endif // COMMON_H_