#ifndef __LIB9_H#define __LIB9_H#if !defined(_RESEARCH_SOURCE) && !defined(_PLAN9_SOURCE)    This header file is an extension to ANSI/POSIX#endif#pragma lib "/$M/lib/ape/lib9.a" #include <u.h>		/* ick; need Rune defined below */ #define	MORDER	0x0003	/* mask for bits defining order of mounting */#define	MREPL	0x0000	/* mount replaces object */#define	MBEFORE	0x0001	/* mount goes before others in union directory */#define	MAFTER	0x0002	/* mount goes after others in union directory */#define	MCREATE	0x0004	/* permit creation in mounted directory */#define MRECOV	0x0008	/* perform recovery if mount channel is lost */#define MCACHE	0x0010	/* cache some data */#define	MMASK	0x0007	/* all bits on */ #define	FORKPG		1#define	FORKEG		2#define	FORKFD		4 #define	SG_RONLY	0040	/* read only */#define	SG_CEXEC	0100	/* detach on exec */ enum{	RFNAMEG		= (1<<0),	RFENVG		= (1<<1),	RFFDG		= (1<<2),	RFNOTEG		= (1<<3),	RFPROC		= (1<<4),	RFMEM		= (1<<5),	RFNOWAIT	= (1<<6),	RFCNAMEG	= (1<<10),	RFCENVG		= (1<<11),	RFCFDG		= (1<<12),	RFREND		= (1<<13)}; extern char *argv0;#define	ARGBEGIN	for((argv0||(argv0=*argv)),argv++,argc--;\			    argv[0] && argv[0][0]=='-' && argv[0][1];\			    argc--, argv++) {\				char *_args, *_argt;\				Rune _argc;\				_args = &argv[0][1];\				if(_args[0]=='-' && _args[1]==0){\					argc--; argv++; break;\				}\				_argc = 0;\				while(*_args && (_args += chartorune(&_argc, _args)))\				switch(_argc)#define	ARGEND		SET(_argt);USED(_argt,_argc,_args);}USED(argv, argc);#define	ARGF()		(_argt=_args, _args="",\				(*_argt? _argt: argv[1]? (argc--, *++argv): 0))#define	EARGF(x)	(_argt=_args, _args="",\				(*_argt? _argt: argv[1]? (argc--, *++argv): ((x), abort(), (char*)0))) #define	ARGC()		_argc extern	int	errstr(char*, unsigned int);extern	int	_BIND(char*, char*, int);#define	bind(name, old, flag)	_BIND(name, old, flag)extern	int	mount(int, int, char*, int, char*);extern	int	unmount(char*, char*);extern	int	rfork(int);extern	void*	segattach(int, char*, void*, unsigned long);extern	void*	segbrk(void*, void*);extern	int	segdetach(void*);extern	int	segflush(void*, unsigned long);extern	int	segfree(void*, unsigned long);extern	void*	rendezvous(void*, void*);extern	unsigned long	getfcr(void);extern	unsigned long	getfsr(void);extern	void		setfcr(unsigned long);extern	void		setfsr(unsigned long); #endif