/* * system- and machine-specific declarations for emu: * floating-point save and restore, signal handling primitive, and * implementation of the current-process variable `up'. */extern	Proc*		getup();#define	up		(getup()) extern	void		(*coherence)(void);extern	char*		clipread(void);extern	int		clipwrite(char*); extern	int		main(int argc, char *argv[]);extern	void _Noreturn	sysfault(char *, void *);extern	int     	kprint(int fd, const char *fmt, ...);#define print(...)      kprint(1, __VA_ARGS__)extern	void    	kabort(void);extern	void    	kassert(char *s);#define _assert(x)      kassert(x)#define smalloc(x)	vsmalloc(x, __func__, "")#define kmalloc(x)	vkmalloc(x, __func__, "")static	inline long	osmillisec(void) { return nsec()/1000000; }extern	ssize_t		tty_read(int fd, long buffer, size_t n);extern	ssize_t		tty_write(int fd, long buffer, size_t n); typedef	struct	FPU	FPU; /* * This structure must agree with FPsave and FPrestore asm routines */struct FPU{	int dummy[1];	/* XXX what goes here? */}; typedef jmp_buf osjmpbuf;extern	int     ossetjmp(jmp_buf);