#ifndef _ARCH_H#define _ARCH_H#ifdef T386#include "386.h"#elif Tmips#include "mips.h"#elif Tpower#include "mips.h"#elif Talpha#include "alpha.h"#elif Tarm#include "arm.h"#elif Tamd64#include "amd64.h"#else	I do not know about your architecture.	Update switch in arch.h with new architecture.#endif	/* T386 */#endif /* _ARCH_H */