57 files changed, 530 insertions, 0 deletions
diff --git a/Nt/386/bin/5a.exe b/Nt/386/bin/5a.exe
new file mode 100644
index 0000000..759c228
--- /dev/null
+++ b/Nt/386/bin/5a.exe
diff --git a/Nt/386/bin/5c.exe b/Nt/386/bin/5c.exe
new file mode 100644
index 0000000..4306250
--- /dev/null
+++ b/Nt/386/bin/5c.exe
diff --git a/Nt/386/bin/5coff.exe b/Nt/386/bin/5coff.exe
new file mode 100644
index 0000000..19a4b20
--- /dev/null
+++ b/Nt/386/bin/5coff.exe
diff --git a/Nt/386/bin/5cv.exe b/Nt/386/bin/5cv.exe
new file mode 100644
index 0000000..74974d4
--- /dev/null
+++ b/Nt/386/bin/5cv.exe
diff --git a/Nt/386/bin/5l.exe b/Nt/386/bin/5l.exe
new file mode 100644
index 0000000..db64d87
--- /dev/null
+++ b/Nt/386/bin/5l.exe
diff --git a/Nt/386/bin/8a.exe b/Nt/386/bin/8a.exe
new file mode 100644
index 0000000..cf3c4a7
--- /dev/null
+++ b/Nt/386/bin/8a.exe
diff --git a/Nt/386/bin/8c.exe b/Nt/386/bin/8c.exe
new file mode 100644
index 0000000..5f39898
--- /dev/null
+++ b/Nt/386/bin/8c.exe
diff --git a/Nt/386/bin/8l.exe b/Nt/386/bin/8l.exe
new file mode 100644
index 0000000..100a845
--- /dev/null
+++ b/Nt/386/bin/8l.exe
diff --git a/Nt/386/bin/acid.exe b/Nt/386/bin/acid.exe
new file mode 100644
index 0000000..8f7f355
--- /dev/null
+++ b/Nt/386/bin/acid.exe
diff --git a/Nt/386/bin/awk.exe b/Nt/386/bin/awk.exe
new file mode 100644
index 0000000..6cfc878
--- /dev/null
+++ b/Nt/386/bin/awk.exe
diff --git a/Nt/386/bin/c2l.exe b/Nt/386/bin/c2l.exe
new file mode 100644
index 0000000..ee8df3d
--- /dev/null
+++ b/Nt/386/bin/c2l.exe
diff --git a/Nt/386/bin/cat.exe b/Nt/386/bin/cat.exe
new file mode 100644
index 0000000..6e30bc0
--- /dev/null
+++ b/Nt/386/bin/cat.exe
diff --git a/Nt/386/bin/cp.exe b/Nt/386/bin/cp.exe
new file mode 100644
index 0000000..c3a4d96
--- /dev/null
+++ b/Nt/386/bin/cp.exe
diff --git a/Nt/386/bin/data2c.exe b/Nt/386/bin/data2c.exe
new file mode 100644
index 0000000..110cf9a
--- /dev/null
+++ b/Nt/386/bin/data2c.exe
diff --git a/Nt/386/bin/data2s.exe b/Nt/386/bin/data2s.exe
new file mode 100644
index 0000000..7e13ebb
--- /dev/null
+++ b/Nt/386/bin/data2s.exe
diff --git a/Nt/386/bin/echo.exe b/Nt/386/bin/echo.exe
new file mode 100644
index 0000000..70d9a0c
--- /dev/null
+++ b/Nt/386/bin/echo.exe
diff --git a/Nt/386/bin/emu.exe b/Nt/386/bin/emu.exe
new file mode 100644
index 0000000..b7c827f
--- /dev/null
+++ b/Nt/386/bin/emu.exe
diff --git a/Nt/386/bin/format.exe b/Nt/386/bin/format.exe
new file mode 100644
index 0000000..c11b833
--- /dev/null
+++ b/Nt/386/bin/format.exe
diff --git a/Nt/386/bin/ftl.exe b/Nt/386/bin/ftl.exe
new file mode 100644
index 0000000..f1ff290
--- /dev/null
+++ b/Nt/386/bin/ftl.exe
diff --git a/Nt/386/bin/gzip.exe b/Nt/386/bin/gzip.exe
new file mode 100644
index 0000000..54c02ae
--- /dev/null
+++ b/Nt/386/bin/gzip.exe
diff --git a/Nt/386/bin/iar.exe b/Nt/386/bin/iar.exe
new file mode 100644
index 0000000..6b5c926
--- /dev/null
+++ b/Nt/386/bin/iar.exe
diff --git a/Nt/386/bin/idea.exe b/Nt/386/bin/idea.exe
new file mode 100644
index 0000000..16dcc60
--- /dev/null
+++ b/Nt/386/bin/idea.exe
diff --git a/Nt/386/bin/infdb.exe b/Nt/386/bin/infdb.exe
new file mode 100644
index 0000000..f34a0d7
--- /dev/null
+++ b/Nt/386/bin/infdb.exe
diff --git a/Nt/386/bin/inm.exe b/Nt/386/bin/inm.exe
new file mode 100644
index 0000000..e21d4d2
--- /dev/null
+++ b/Nt/386/bin/inm.exe
diff --git a/Nt/386/bin/iyacc.exe b/Nt/386/bin/iyacc.exe
new file mode 100644
index 0000000..9051f50
--- /dev/null
+++ b/Nt/386/bin/iyacc.exe
diff --git a/Nt/386/bin/ka.exe b/Nt/386/bin/ka.exe
new file mode 100644
index 0000000..02164d4
--- /dev/null
+++ b/Nt/386/bin/ka.exe
diff --git a/Nt/386/bin/kc.exe b/Nt/386/bin/kc.exe
new file mode 100644
index 0000000..42a2f4e
--- /dev/null
+++ b/Nt/386/bin/kc.exe
diff --git a/Nt/386/bin/kl.exe b/Nt/386/bin/kl.exe
new file mode 100644
index 0000000..24b335f
--- /dev/null
+++ b/Nt/386/bin/kl.exe
diff --git a/Nt/386/bin/kprof.exe b/Nt/386/bin/kprof.exe
new file mode 100644
index 0000000..e888318
--- /dev/null
+++ b/Nt/386/bin/kprof.exe
diff --git a/Nt/386/bin/ksize.exe b/Nt/386/bin/ksize.exe
new file mode 100644
index 0000000..9f1c0ee
--- /dev/null
+++ b/Nt/386/bin/ksize.exe
diff --git a/Nt/386/bin/kstrip.exe b/Nt/386/bin/kstrip.exe
new file mode 100644
index 0000000..3ea13d8
--- /dev/null
+++ b/Nt/386/bin/kstrip.exe
diff --git a/Nt/386/bin/limbo.exe b/Nt/386/bin/limbo.exe
new file mode 100644
index 0000000..71fd6a0
--- /dev/null
+++ b/Nt/386/bin/limbo.exe
diff --git a/Nt/386/bin/md5sum.exe b/Nt/386/bin/md5sum.exe
new file mode 100644
index 0000000..1f3a132
--- /dev/null
+++ b/Nt/386/bin/md5sum.exe
diff --git a/Nt/386/bin/mk.exe b/Nt/386/bin/mk.exe
new file mode 100644
index 0000000..20a11af
--- /dev/null
+++ b/Nt/386/bin/mk.exe
diff --git a/Nt/386/bin/mkdir.exe b/Nt/386/bin/mkdir.exe
new file mode 100644
index 0000000..d18ac75
--- /dev/null
+++ b/Nt/386/bin/mkdir.exe
diff --git a/Nt/386/bin/mkext.exe b/Nt/386/bin/mkext.exe
new file mode 100644
index 0000000..92f8e5a
--- /dev/null
+++ b/Nt/386/bin/mkext.exe
diff --git a/Nt/386/bin/mkppcimage.exe b/Nt/386/bin/mkppcimage.exe
new file mode 100644
index 0000000..fc676db
--- /dev/null
+++ b/Nt/386/bin/mkppcimage.exe
diff --git a/Nt/386/bin/ms2.exe b/Nt/386/bin/ms2.exe
new file mode 100644
index 0000000..778d6b6
--- /dev/null
+++ b/Nt/386/bin/ms2.exe
diff --git a/Nt/386/bin/mv.exe b/Nt/386/bin/mv.exe
new file mode 100644
index 0000000..d26d801
--- /dev/null
+++ b/Nt/386/bin/mv.exe
diff --git a/Nt/386/bin/ndate.exe b/Nt/386/bin/ndate.exe
new file mode 100644
index 0000000..5590119
--- /dev/null
+++ b/Nt/386/bin/ndate.exe
diff --git a/Nt/386/bin/ntsrv.exe b/Nt/386/bin/ntsrv.exe
new file mode 100644
index 0000000..e15f610
--- /dev/null
+++ b/Nt/386/bin/ntsrv.exe
diff --git a/Nt/386/bin/qa.exe b/Nt/386/bin/qa.exe
new file mode 100644
index 0000000..ab2ece4
--- /dev/null
+++ b/Nt/386/bin/qa.exe
diff --git a/Nt/386/bin/qc.exe b/Nt/386/bin/qc.exe
new file mode 100644
index 0000000..473168a
--- /dev/null
+++ b/Nt/386/bin/qc.exe
diff --git a/Nt/386/bin/ql.exe b/Nt/386/bin/ql.exe
new file mode 100644
index 0000000..e83f99b
--- /dev/null
+++ b/Nt/386/bin/ql.exe
diff --git a/Nt/386/bin/rcsh.exe b/Nt/386/bin/rcsh.exe
new file mode 100644
index 0000000..947e3cb
--- /dev/null
+++ b/Nt/386/bin/rcsh.exe
diff --git a/Nt/386/bin/rm.exe b/Nt/386/bin/rm.exe
new file mode 100644
index 0000000..99341c4
--- /dev/null
+++ b/Nt/386/bin/rm.exe
diff --git a/Nt/386/bin/sed.exe b/Nt/386/bin/sed.exe
new file mode 100644
index 0000000..741d35a
--- /dev/null
+++ b/Nt/386/bin/sed.exe
diff --git a/Nt/386/bin/sqz.exe b/Nt/386/bin/sqz.exe
new file mode 100644
index 0000000..eaa8cab
--- /dev/null
+++ b/Nt/386/bin/sqz.exe
diff --git a/Nt/386/bin/srclist.exe b/Nt/386/bin/srclist.exe
new file mode 100644
index 0000000..2fe82b1
--- /dev/null
+++ b/Nt/386/bin/srclist.exe
diff --git a/Nt/386/bin/styxtest.exe b/Nt/386/bin/styxtest.exe
new file mode 100644
index 0000000..e37de5c
--- /dev/null
+++ b/Nt/386/bin/styxtest.exe
diff --git a/Nt/386/bin/test.exe b/Nt/386/bin/test.exe
new file mode 100644
index 0000000..0936ac0
--- /dev/null
+++ b/Nt/386/bin/test.exe
diff --git a/Nt/386/bin/tr.exe b/Nt/386/bin/tr.exe
new file mode 100644
index 0000000..a0de71b
--- /dev/null
+++ b/Nt/386/bin/tr.exe
diff --git a/Nt/386/bin/va.exe b/Nt/386/bin/va.exe
new file mode 100644
index 0000000..07bba0b
--- /dev/null
+++ b/Nt/386/bin/va.exe
diff --git a/Nt/386/bin/vc.exe b/Nt/386/bin/vc.exe
new file mode 100644
index 0000000..b3d6982
--- /dev/null
+++ b/Nt/386/bin/vc.exe
diff --git a/Nt/386/bin/vl.exe b/Nt/386/bin/vl.exe
new file mode 100644
index 0000000..7191f50
--- /dev/null
+++ b/Nt/386/bin/vl.exe
diff --git a/Nt/386/include/emu.h b/Nt/386/include/emu.h
new file mode 100644
index 0000000..ebf6d79
--- /dev/null
+++ b/Nt/386/include/emu.h
@@ -0,0 +1,29 @@
+#ifndef _EMU_H
+#define _EMU_H
+
+
+/*
+ * system- and machine-specific declarations for emu:
+ * floating-point save and restore, signal handling primitive, and
+ * implementation of the current-process variable `up'.
+ */
+
+/*
+ * This structure must agree with FPsave and FPrestore asm routines
+ */
+typedef	struct	FPU	FPU;
+struct FPU
+{
+	uchar	env[28];
+};
+
+extern	void		sleep(int);
+
+/* Set up private thread space */
+extern	__declspec(thread) Proc*	up;
+#define Sleep	NTsleep
+
+typedef jmp_buf osjmpbuf;
+#define	ossetjmp(buf)	setjmp(buf)
+
+#endif
diff --git a/Nt/386/include/lib9.h b/Nt/386/include/lib9.h
new file mode 100644
index 0000000..e9a4a6c
--- /dev/null
+++ b/Nt/386/include/lib9.h
@@ -0,0 +1,501 @@
+#ifndef _LIB9_H
+#define _LIB9_H
+
+#define _POSIX_SOURCE
+#include <stdlib.h>
+#include <stdarg.h>
+#include <errno.h>
+#include <string.h>
+#include "math.h"
+#include <fcntl.h>
+#include <setjmp.h>
+#include <float.h>
+#include <time.h>
+#include <process.h>
+#include <io.h>
+#include <direct.h>
+
+#define	getwd	infgetwd
+#define	strtod	infstrtod
+#define	strtoll	infstrtoll
+#define	strtoull	infstrtoull
+#ifndef INFERNO_KEEPENVIRON
+/* environ is perfectly legal as the name of a local, field name or struct, but windows redefines it */
+/* the extern char** environ is only needed by two programs, so #undef it for everything else */
+#undef environ
+#endif
+
+/* do-it-yourself isinf and isnan */
+#ifndef isnan
+#define isnan(x) _isnan(x)
+#endif
+#ifndef isinf
+#define isinf(x) (!_finite(x))
+#endif
+
+#ifndef EMU
+typedef struct Proc Proc;
+#endif
+
+/*
+ * math module dtoa
+ */
+#define __LITTLE_ENDIAN
+
+   /* there must be a Win32 header macro for endian-ness!!! */
+
+/*
+ * disable various silly warnings
+ * 4018 signed/unsigned comparison
+ * 4245 signed/unsigned conversion
+ * 4244 long to char conversion
+ * 4068	unknown pragma
+ * 4090 different volatile quals
+ * 4554 operator precedence
+ * 4146 unary - on unsigned type
+ * 4996 `deprecated' functions: they often suggest non-portable replacements
+ */
+#pragma warning( disable : 4305 4244 4102 4761 4018 4245 4244 4068 4090 4554 4146 4996)
+
+#define	nil		((void*)0)
+
+typedef unsigned char	uchar;
+typedef unsigned int	uint;
+typedef unsigned long	ulong;
+typedef signed char	schar;
+typedef unsigned short	ushort;
+typedef unsigned int Rune;
+typedef __int64		vlong;
+typedef unsigned __int64		uvlong;
+typedef unsigned int u32int;
+typedef uvlong u64int;
+
+typedef unsigned int	mpdigit;	/* for /sys/include/mp.h */
+typedef unsigned short u16int;
+typedef unsigned char u8int;
+typedef unsigned long uintptr;
+
+typedef signed char	int8;
+typedef unsigned char	uint8;
+typedef short	int16;
+typedef unsigned short	uint16;
+typedef int	int32;
+typedef unsigned int	uint32;
+typedef long long	int64;
+typedef unsigned long long	uint64;
+
+#define	USED(x)		if(x){}else{}
+#define	SET(x)
+
+#undef nelem
+#define	nelem(x)	(sizeof(x)/sizeof((x)[0]))
+#undef offsetof
+#define	offsetof(s, m)	(ulong)(&(((s*)0)->m))
+#undef assert
+#define	assert(x)	if(x){}else _assert("x")
+
+/*
+ * most mem and string routines are declared by ANSI/POSIX files above
+ */
+
+extern	char*	strecpy(char*, char*, char*);
+extern	char*	strdup(const char*);
+extern	int	cistrncmp(char*, char*, int);
+extern	int	cistrcmp(char*, char*);
+extern	char*	cistrstr(char*, char*);
+extern	int	tokenize(char*, char**, int);
+extern	double	strtod(const char*, char**);
+extern	vlong	strtoll(const char*, char**, int);
+#define	qsort	infqsort
+extern	void	qsort(void*, long, long, int (*)(void*, void*));
+extern	uvlong	strtoull(const char*, char**, int);
+
+enum
+{
+	UTFmax		= 4,		/* maximum bytes per rune */
+	Runesync	= 0x80,		/* cannot represent part of a UTF sequence (<) */
+	Runeself	= 0x80,		/* rune and UTF sequences are the same (<) */
+	Runeerror	= 0xFFFD,	/* decoding error in UTF */
+	Runemax		= 0x10FFFF,	/* 21-bit rune */
+	Runemask	= 0x1FFFFF,	/* bits used by runes (see grep) */
+};
+
+/*
+ * rune routines
+ */
+extern	int	runetochar(char*, Rune*);
+extern	int	chartorune(Rune*, char*);
+extern	int	runelen(long);
+extern	int	runenlen(Rune*, int);
+extern	int	fullrune(char*, int);
+extern	int	utflen(char*);
+extern	int	utfnlen(char*, long);
+extern	char*	utfrune(char*, long);
+extern	char*	utfrrune(char*, long);
+extern	char*	utfutf(char*, char*);
+extern	char*	utfecpy(char*, char*, char*);
+
+extern	Rune*	runestrcat(Rune*, Rune*);
+extern	Rune*	runestrchr(Rune*, Rune);
+extern	int	runestrcmp(Rune*, Rune*);
+extern	Rune*	runestrcpy(Rune*, Rune*);
+extern	Rune*	runestrncpy(Rune*, Rune*, long);
+extern	Rune*	runestrecpy(Rune*, Rune*, Rune*);
+extern	Rune*	runestrdup(Rune*);
+extern	Rune*	runestrncat(Rune*, Rune*, long);
+extern	int	runestrncmp(Rune*, Rune*, long);
+extern	Rune*	runestrrchr(Rune*, Rune);
+extern	long	runestrlen(Rune*);
+extern	Rune*	runestrstr(Rune*, Rune*);
+
+extern	Rune	tolowerrune(Rune);
+extern	Rune	totitlerune(Rune);
+extern	Rune	toupperrune(Rune);
+extern	int	isalpharune(Rune);
+extern	int	islowerrune(Rune);
+extern	int	isspacerune(Rune);
+extern	int	istitlerune(Rune);
+extern	int	isupperrune(Rune);
+
+/*
+ * malloc
+ */
+extern	void*	malloc(size_t);
+extern	void*	mallocz(ulong, int);
+extern	void	free(void*);
+extern	ulong	msize(void*);
+extern	void*	calloc(size_t, size_t);
+extern	void*	realloc(void*, size_t);
+extern	void		setmalloctag(void*, ulong);
+extern	void		setrealloctag(void*, ulong);
+extern	ulong	getmalloctag(void*);
+extern	ulong	getrealloctag(void*);
+extern	void*	malloctopoolblock(void*);
+
+/*
+ * print routines
+ */
+typedef struct Fmt	Fmt;
+struct Fmt{
+	uchar	runes;			/* output buffer is runes or chars? */
+	void	*start;			/* of buffer */
+	void	*to;			/* current place in the buffer */
+	void	*stop;			/* end of the buffer; overwritten if flush fails */
+	int	(*flush)(Fmt *);	/* called when to == stop */
+	void	*farg;			/* to make flush a closure */
+	int	nfmt;			/* num chars formatted so far */
+	va_list	args;			/* args passed to dofmt */
+	int	r;			/* % format Rune */
+	int	width;
+	int	prec;
+	ulong	flags;
+};
+
+enum{
+	FmtWidth	= 1,
+	FmtLeft		= FmtWidth << 1,
+	FmtPrec		= FmtLeft << 1,
+	FmtSharp	= FmtPrec << 1,
+	FmtSpace	= FmtSharp << 1,
+	FmtSign		= FmtSpace << 1,
+	FmtZero		= FmtSign << 1,
+	FmtUnsigned	= FmtZero << 1,
+	FmtShort	= FmtUnsigned << 1,
+	FmtLong		= FmtShort << 1,
+	FmtVLong	= FmtLong << 1,
+	FmtComma	= FmtVLong << 1,
+	FmtByte	= FmtComma << 1,
+
+	FmtFlag		= FmtByte << 1
+};
+
+extern	int	print(char*, ...);
+extern	char*	seprint(char*, char*, char*, ...);
+extern	char*	vseprint(char*, char*, char*, va_list);
+extern	int	snprint(char*, int, char*, ...);
+extern	int	vsnprint(char*, int, char*, va_list);
+extern	char*	smprint(char*, ...);
+extern	char*	vsmprint(char*, va_list);
+extern	int	sprint(char*, char*, ...);
+extern	int	fprint(int, char*, ...);
+extern	int	vfprint(int, char*, va_list);
+
+extern	int	runesprint(Rune*, char*, ...);
+extern	int	runesnprint(Rune*, int, char*, ...);
+extern	int	runevsnprint(Rune*, int, char*, va_list);
+extern	Rune*	runeseprint(Rune*, Rune*, char*, ...);
+extern	Rune*	runevseprint(Rune*, Rune*, char*, va_list);
+extern	Rune*	runesmprint(char*, ...);
+extern	Rune*	runevsmprint(char*, va_list);
+
+extern	int	fmtfdinit(Fmt*, int, char*, int);
+extern	int	fmtfdflush(Fmt*);
+extern	int	fmtstrinit(Fmt*);
+extern	char*	fmtstrflush(Fmt*);
+extern	int	runefmtstrinit(Fmt*);
+extern	Rune*	runefmtstrflush(Fmt*);
+
+extern	int	fmtinstall(int, int (*)(Fmt*));
+extern	int	dofmt(Fmt*, char*);
+extern	int	dorfmt(Fmt*, Rune*);
+extern	int	fmtprint(Fmt*, char*, ...);
+extern	int	fmtvprint(Fmt*, char*, va_list);
+extern	int	fmtrune(Fmt*, int);
+extern	int	fmtstrcpy(Fmt*, char*);
+extern	int	fmtrunestrcpy(Fmt*, Rune*);
+/*
+ * error string for %r
+ * supplied on per os basis, not part of fmt library
+ */
+extern	int	errfmt(Fmt *f);
+
+/*
+ * quoted strings
+ */
+extern	char	*unquotestrdup(char*);
+extern	Rune	*unquoterunestrdup(Rune*);
+extern	char	*quotestrdup(char*);
+extern	Rune	*quoterunestrdup(Rune*);
+extern	int	quotestrfmt(Fmt*);
+extern	int	quoterunestrfmt(Fmt*);
+extern	void	quotefmtinstall(void);
+extern	int	(*doquote)(int);
+
+/*
+ * random number
+ */
+extern	ulong	truerand(void);
+extern	ulong	ntruerand(ulong);
+
+/*
+ * math
+ */
+extern	int	isNaN(double);
+extern	int	isInf(double, int);
+
+#define	PIO2	1.570796326794896619231e0
+#define	PI	(PIO2+PIO2)
+
+/*
+ * Time-of-day
+ */
+
+typedef struct Tm Tm;
+struct Tm {
+	int	sec;
+	int	min;
+	int	hour;
+	int	mday;
+	int	mon;
+	int	year;
+	int	wday;
+	int	yday;
+	char	zone[4];
+	int	tzoff;
+};
+extern	vlong	osnsec(void);
+#define	nsec	osnsec
+	
+/*
+ * one-of-a-kind
+ */
+extern	void	_assert(char*);
+extern	double	charstod(int(*)(void*), void*);
+extern	char*	cleanname(char*);
+extern	uintptr	getcallerpc(void*);
+extern	int	getfields(char*, char**, int, int, char*);
+extern	char*	getuser(void);
+extern	char*	getuser(void);
+extern	char*	getwd(char*, int);
+extern	char*	getwd(char*, int);
+extern	double	ipow10(int);
+extern	double	pow10(int);
+extern	void	sysfatal(char*, ...);
+extern	int	dec64(uchar*, int, char*, int);
+extern	int	enc64(char*, int, uchar*, int);
+extern	int	dec32(uchar*, int, char*, int);
+extern	int	enc32(char*, int, uchar*, int);
+extern	int	dec16(uchar*, int, char*, int);
+extern	int	enc16(char*, int, uchar*, int);
+extern	int	encodefmt(Fmt*);
+
+/*
+ *  synchronization
+ */
+typedef
+struct Lock {
+	int	val;
+	int	pid;
+} Lock;
+
+extern int	_tas(int*);
+
+extern	void	lock(Lock*);
+extern	void	unlock(Lock*);
+extern	int	canlock(Lock*);
+
+typedef struct QLock QLock;
+struct QLock
+{
+	Lock	use;			/* to access Qlock structure */
+	Proc	*head;			/* next process waiting for object */
+	Proc	*tail;			/* last process waiting for object */
+	int	locked;			/* flag */
+};
+
+extern	void	qlock(QLock*);
+extern	void	qunlock(QLock*);
+extern	int	canqlock(QLock*);
+extern	void	_qlockinit(ulong (*)(ulong, ulong));	/* called only by the thread library */
+
+typedef
+struct RWLock
+{
+	Lock	l;			/* Lock modify lock */
+	QLock	x;			/* Mutual exclusion lock */
+	QLock	k;			/* Lock for waiting writers */
+	int	readers;		/* Count of readers in lock */
+} RWLock;
+
+extern	int	canrlock(RWLock*);
+extern	int	canwlock(RWLock*);
+extern	void	rlock(RWLock*);
+extern	void	runlock(RWLock*);
+extern	void	wlock(RWLock*);
+extern	void	wunlock(RWLock*);
+
+/*
+ * network dialing
+ */
+#define NETPATHLEN 40
+
+/*
+ * system calls
+ *
+ */
+#define	STATMAX	65535U	/* max length of machine-independent stat structure */
+#define	DIRMAX	(sizeof(Dir)+STATMAX)	/* max length of Dir structure */
+#define	ERRMAX	128	/* max length of error string */
+
+#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	MCACHE	0x0010	/* cache some data */
+#define	MMASK	0x0017	/* 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	OEXCL	0x1000	/* or'ed in, exclusive use (create only) */
+
+#define	AEXIST	0	/* accessible: exists */
+#define	AEXEC	1	/* execute access */
+#define	AWRITE	2	/* write access */
+#define	AREAD	4	/* read access */
+
+/* bits in Qid.type */
+#define QTDIR		0x80		/* type bit for directories */
+#define QTAPPEND	0x40		/* type bit for append only files */
+#define QTEXCL		0x20		/* type bit for exclusive use files */
+#define QTMOUNT		0x10		/* type bit for mounted channel */
+#define QTAUTH		0x08		/* type bit for authentication file */
+#define QTFILE		0x00		/* plain file */
+
+/* bits in Dir.mode */
+#define DMDIR		0x80000000	/* mode bit for directories */
+#define DMAPPEND	0x40000000	/* mode bit for append only files */
+#define DMEXCL		0x20000000	/* mode bit for exclusive use files */
+#define DMMOUNT		0x10000000	/* mode bit for mounted channel */
+#define DMAUTH		0x08000000	/* mode bit for authentication file */
+#define DMREAD		0x4		/* mode bit for read permission */
+#define DMWRITE		0x2		/* mode bit for write permission */
+#define DMEXEC		0x1		/* mode bit for execute permission */
+
+typedef
+struct Qid
+{
+	uvlong	path;
+	ulong	vers;
+	uchar	type;
+} Qid;
+
+typedef
+struct Dir {
+	/* system-modified data */
+	ushort	type;	/* server type */
+	uint	dev;	/* server subtype */
+	/* file data */
+	Qid	qid;	/* unique id from server */
+	ulong	mode;	/* permissions */
+	ulong	atime;	/* last read time */
+	ulong	mtime;	/* last write time */
+	vlong	length;	/* file length */
+	char	*name;	/* last element of path */
+	char	*uid;	/* owner name */
+	char	*gid;	/* group name */
+	char	*muid;	/* last modifier name */
+} Dir;
+
+extern	Dir*	dirstat(char*);
+extern	Dir*	dirfstat(int);
+extern	int	dirwstat(char*, Dir*);
+extern	int	dirfwstat(int, Dir*);
+extern	long	dirread(int, Dir**);
+extern	void	nulldir(Dir*);
+extern	long	dirreadall(int, Dir**);
+
+typedef
+struct Waitmsg
+{
+	int pid;	/* of loved one */
+	ulong time[3];	/* of loved one & descendants */
+	char	*msg;
+} Waitmsg;
+
+extern	void	_exits(char*);
+
+extern	void	exits(char*);
+extern	int	create(char*, int, int);
+extern	int	errstr(char*, uint);
+
+extern	long	readn(int, void*, long);
+extern	void	rerrstr(char*, uint);
+extern	vlong	seek(int, vlong, int);
+extern	int	segflush(void*, ulong);
+extern	void	werrstr(char*, ...);
+
+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		(_argt=0);USED(_argt);USED(_argc); USED(_args);}USED(argv); USED(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
+
+/*
+ *	Extensions for Inferno to basic libc.h
+ */
+
+extern	void	setbinmode(void);
+extern	void*	sbrk(int);
+
+#endif