/* * functions (possibly) linked in, complete, from libc. */ /* * mem routines */extern	void*	memccpy(void*, void*, int, long);extern	void*	memset(void*, int, long);extern	int	memcmp(void*, void*, long);extern	void*	memmove(void*, void*, long);extern	void*	memchr(void*, int, long); /* * string routines */extern	char*	strcat(char*, char*);extern	char*	strchr(char*, char);extern	int	strcmp(char*, char*);extern	char*	strcpy(char*, char*);extern	char*	strncat(char*, char*, long);extern	char*	strncpy(char*, char*, long);extern	int	strncmp(char*, char*, long);extern	long	strlen(char*);extern	char*	strrchr(char*, char);extern	char*	strstr(char*, char*); /* * print routines * 	Fconv isn't used but is defined to satisfy prototypes in libg.h *	that are never called. */typedef	struct Fconv Fconv; extern	char*	donprint(char*, char*, char*, void*);extern	int	sprint(char*, char*, ...);extern	int	print(char*, ...); #define	PRINTSIZE	256 /* * one-of-a-kind */extern	int	atoi(char*);extern	long	strtol(char*, char**, int);extern	ulong	strtoul(char*, char**, int);extern	long	end; /* * Syscall data structures */ #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	MMASK	0x0007	/* all bits on */ #define	OREAD	0	/* open for read */#define	OWRITE	1	/* write */#define	ORDWR	2	/* read and write */#define	OEXEC	3	/* execute, == read but check execute permission */#define	OTRUNC	16	/* or'ed in (except for exec), truncate file first */#define	OCEXEC	32	/* or'ed in, close on exec */#define	ORCLOSE	64	/* or'ed in, remove on close */ #define	NCONT	0	/* continue after note */#define	NDFLT	1	/* terminate after note */ typedef struct Qid	Qid;typedef struct Dir	Dir;typedef struct Waitmsg	Waitmsg; #define	ERRLEN	64#define	DIRLEN	116#define	NAMELEN	28 struct Qid{	ulong	path;	ulong	vers;}; struct Dir{	char	name[NAMELEN];	char	uid[NAMELEN];	char	gid[NAMELEN];	Qid	qid;	ulong	mode;	long	atime;	long	mtime;	vlong	length;	short	type;	short	dev;}; struct Waitmsg{	int	pid;		/* of loved one */	int	status;		/* unused; a placeholder */	ulong	time[3];	/* of loved one */	char	msg[ERRLEN];};#define	nelem(x)	(sizeof(x)/sizeof((x)[0]))