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include/stdio.h Libc-1725.40.4 Libc-391.4.3
--- Libc/Libc-1725.40.4/include/stdio.h
+++ Libc/Libc-391.4.3/include/stdio.h
@@ -1,15 +1,15 @@
 /*
- * Copyright (c) 2000, 2005, 2007, 2009, 2010, 2023 Apple Inc. All rights reserved.
+ * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
  *
  * @APPLE_LICENSE_HEADER_START@
- *
+ * 
  * This file contains Original Code and/or Modifications of Original Code
  * as defined in and that are subject to the Apple Public Source License
  * Version 2.0 (the 'License'). You may not use this file except in
  * compliance with the License. Please obtain a copy of the License at
  * http://www.opensource.apple.com/apsl/ and read it before using this
  * file.
- *
+ * 
  * The Original Code and all software distributed under the License are
  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
@@ -17,7 +17,7 @@
  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  * Please see the License for the specific language governing rights and
  * limitations under the License.
- *
+ * 
  * @APPLE_LICENSE_HEADER_END@
  */
 /*-
@@ -58,8 +58,373 @@
  *	@(#)stdio.h	8.5 (Berkeley) 4/29/95
  */
 
-#include <_stdio.h>
+#ifndef	_STDIO_H_
+#define	_STDIO_H_
+
+#include <_types.h>
+#include <sys/cdefs.h>
+
+#ifndef _VA_LIST
+#define _VA_LIST
+/* DO NOT REMOVE THIS COMMENT: fixincludes needs to see:
+ * __gnuc_va_list and include <stdarg.h> */
+typedef __darwin_va_list	va_list;
+#endif
+
+#ifndef	_SIZE_T
+#define	_SIZE_T
+typedef	__darwin_size_t		size_t;
+#endif
+
+#ifndef NULL
+#define NULL __DARWIN_NULL
+#endif /* ! NULL */
+
+#if !defined(_ANSI_SOURCE) && !defined(__STRICT_ANSI__)
+typedef __darwin_off_t		fpos_t;
+#else
+typedef __int64_t		fpos_t;
+#endif
+
+#define	_FSTDIO			/* Define for new stdio with functions. */
+
+/*
+ * NB: to fit things in six character monocase externals, the stdio
+ * code uses the prefix `__s' for stdio objects, typically followed
+ * by a three-character attempt at a mnemonic.
+ */
+
+/* stdio buffers */
+struct __sbuf {
+	unsigned char	*_base;
+	int		_size;
+};
+
+/* hold a buncha junk that would grow the ABI */
+struct __sFILEX;
+
+/*
+ * stdio state variables.
+ *
+ * The following always hold:
+ *
+ *	if (_flags&(__SLBF|__SWR)) == (__SLBF|__SWR),
+ *		_lbfsize is -_bf._size, else _lbfsize is 0
+ *	if _flags&__SRD, _w is 0
+ *	if _flags&__SWR, _r is 0
+ *
+ * This ensures that the getc and putc macros (or inline functions) never
+ * try to write or read from a file that is in `read' or `write' mode.
+ * (Moreover, they can, and do, automatically switch from read mode to
+ * write mode, and back, on "r+" and "w+" files.)
+ *
+ * _lbfsize is used only to make the inline line-buffered output stream
+ * code as compact as possible.
+ *
+ * _ub, _up, and _ur are used when ungetc() pushes back more characters
+ * than fit in the current _bf, or when ungetc() pushes back a character
+ * that does not match the previous one in _bf.  When this happens,
+ * _ub._base becomes non-nil (i.e., a stream has ungetc() data iff
+ * _ub._base!=NULL) and _up and _ur save the current values of _p and _r.
+ *
+ * NB: see WARNING above before changing the layout of this structure!
+ */
+typedef	struct __sFILE {
+	unsigned char *_p;	/* current position in (some) buffer */
+	int	_r;		/* read space left for getc() */
+	int	_w;		/* write space left for putc() */
+	short	_flags;		/* flags, below; this FILE is free if 0 */
+	short	_file;		/* fileno, if Unix descriptor, else -1 */
+	struct	__sbuf _bf;	/* the buffer (at least 1 byte, if !NULL) */
+	int	_lbfsize;	/* 0 or -_bf._size, for inline putc */
+
+	/* operations */
+	void	*_cookie;	/* cookie passed to io functions */
+	int	(*_close)(void *);
+	int	(*_read) (void *, char *, int);
+	fpos_t	(*_seek) (void *, fpos_t, int);
+	int	(*_write)(void *, const char *, int);
+
+	/* separate buffer for long sequences of ungetc() */
+	struct	__sbuf _ub;	/* ungetc buffer */
+	struct __sFILEX *_extra; /* additions to FILE to not break ABI */
+	int	_ur;		/* saved _r when _r is counting ungetc data */
+
+	/* tricks to meet minimum requirements even when malloc() fails */
+	unsigned char _ubuf[3];	/* guarantee an ungetc() buffer */
+	unsigned char _nbuf[1];	/* guarantee a getc() buffer */
+
+	/* separate buffer for fgetln() when line crosses buffer boundary */
+	struct	__sbuf _lb;	/* buffer for fgetln() */
+
+	/* Unix stdio files get aligned to block boundaries on fseek() */
+	int	_blksize;	/* stat.st_blksize (may be != _bf._size) */
+	fpos_t	_offset;	/* current lseek offset (see WARNING) */
+} FILE;
+
+__BEGIN_DECLS
+#if __DARWIN_UNIX03
+extern FILE *__stdinp;
+extern FILE *__stdoutp;
+extern FILE *__stderrp;
+#else /* !__DARWIN_UNIX03 */
+extern FILE __sF[];
+#endif /* __DARWIN_UNIX03 */
+__END_DECLS
+
+#define	__SLBF	0x0001		/* line buffered */
+#define	__SNBF	0x0002		/* unbuffered */
+#define	__SRD	0x0004		/* OK to read */
+#define	__SWR	0x0008		/* OK to write */
+	/* RD and WR are never simultaneously asserted */
+#define	__SRW	0x0010		/* open for reading & writing */
+#define	__SEOF	0x0020		/* found EOF */
+#define	__SERR	0x0040		/* found error */
+#define	__SMBF	0x0080		/* _buf is from malloc */
+#define	__SAPP	0x0100		/* fdopen()ed in append mode */
+#define	__SSTR	0x0200		/* this is an sprintf/snprintf string */
+#define	__SOPT	0x0400		/* do fseek() optimisation */
+#define	__SNPT	0x0800		/* do not do fseek() optimisation */
+#define	__SOFF	0x1000		/* set iff _offset is in fact correct */
+#define	__SMOD	0x2000		/* true => fgetln modified _p text */
+#define __SALC  0x4000		/* allocate string space dynamically */
+#define __SIGN  0x8000		/* ignore this file in _fwalk */
+
+/*
+ * The following three definitions are for ANSI C, which took them
+ * from System V, which brilliantly took internal interface macros and
+ * made them official arguments to setvbuf(), without renaming them.
+ * Hence, these ugly _IOxxx names are *supposed* to appear in user code.
+ *
+ * Although numbered as their counterparts above, the implementation
+ * does not rely on this.
+ */
+#define	_IOFBF	0		/* setvbuf should set fully buffered */
+#define	_IOLBF	1		/* setvbuf should set line buffered */
+#define	_IONBF	2		/* setvbuf should set unbuffered */
+
+#define	BUFSIZ	1024		/* size of buffer used by setbuf */
+#define	EOF	(-1)
+
+/*
+ * FOPEN_MAX is a minimum maximum, and is the number of streams that
+ * stdio can provide without attempting to allocate further resources
+ * (which could fail).  Do not use this for anything.
+ */
+				/* must be == _POSIX_STREAM_MAX <limits.h> */
+#define	FOPEN_MAX	20	/* must be <= OPEN_MAX <sys/syslimits.h> */
+#define	FILENAME_MAX	1024	/* must be <= PATH_MAX <sys/syslimits.h> */
+
+/* System V/ANSI C; this is the wrong way to do this, do *not* use these. */
+#ifndef _ANSI_SOURCE
+#define	P_tmpdir	"/var/tmp/"
+#endif
+#define	L_tmpnam	1024	/* XXX must be == PATH_MAX */
+#define	TMP_MAX		308915776
+
+#ifndef SEEK_SET
+#define	SEEK_SET	0	/* set file offset to offset */
+#endif
+#ifndef SEEK_CUR
+#define	SEEK_CUR	1	/* set file offset to current plus offset */
+#endif
+#ifndef SEEK_END
+#define	SEEK_END	2	/* set file offset to EOF plus offset */
+#endif
+
+#if __DARWIN_UNIX03
+#define	stdin	__stdinp
+#define	stdout	__stdoutp
+#define	stderr	__stderrp
+#else /* !__DARWIN_UNIX03 */
+#define stdin	(&__sF[0])
+#define stdout	(&__sF[1])
+#define stderr	(&__sF[2])
+#endif /* __DARWIN_UNIX03 */
+
+/*
+ * Functions defined in ANSI C standard.
+ */
+__BEGIN_DECLS
+void	 clearerr(FILE *);
+int	 fclose(FILE *);
+int	 feof(FILE *);
+int	 ferror(FILE *);
+int	 fflush(FILE *);
+int	 fgetc(FILE *);
+int	 fgetpos(FILE * __restrict, fpos_t *);
+char	*fgets(char * __restrict, int, FILE *);
+FILE	*fopen(const char * __restrict, const char * __restrict);
+int	 fprintf(FILE * __restrict, const char * __restrict, ...) __DARWIN_LDBL_COMPAT(fprintf);
+int	 fputc(int, FILE *);
+int	 fputs(const char * __restrict, FILE * __restrict);
+size_t	 fread(void * __restrict, size_t, size_t, FILE * __restrict);
+FILE	*freopen(const char * __restrict, const char * __restrict,
+	    FILE * __restrict) __DARWIN_ALIAS(freopen);
+int	 fscanf(FILE * __restrict, const char * __restrict, ...) __DARWIN_LDBL_COMPAT(fscanf);
+int	 fseek(FILE *, long, int);
+int	 fsetpos(FILE *, const fpos_t *);
+long	 ftell(FILE *);
+size_t	 fwrite(const void * __restrict, size_t, size_t, FILE * __restrict) __DARWIN_ALIAS(fwrite);
+int	 getc(FILE *);
+int	 getchar(void);
+char	*gets(char *);
+#if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE)
+extern __const int sys_nerr;		/* perror(3) external variables */
+extern __const char *__const sys_errlist[];
+#endif
+void	 perror(const char *);
+int	 printf(const char * __restrict, ...) __DARWIN_LDBL_COMPAT(printf);
+int	 putc(int, FILE *);
+int	 putchar(int);
+int	 puts(const char *);
+int	 remove(const char *);
+int	 rename (const char *, const char *);
+void	 rewind(FILE *);
+int	 scanf(const char * __restrict, ...) __DARWIN_LDBL_COMPAT(scanf);
+void	 setbuf(FILE * __restrict, char * __restrict);
+int	 setvbuf(FILE * __restrict, char * __restrict, int, size_t);
+int	 sprintf(char * __restrict, const char * __restrict, ...) __DARWIN_LDBL_COMPAT(sprintf);
+int	 sscanf(const char * __restrict, const char * __restrict, ...) __DARWIN_LDBL_COMPAT(sscanf);
+FILE	*tmpfile(void);
+char	*tmpnam(char *);
+int	 ungetc(int, FILE *);
+int	 vfprintf(FILE * __restrict, const char * __restrict, va_list) __DARWIN_LDBL_COMPAT(vfprintf);
+int	 vprintf(const char * __restrict, va_list) __DARWIN_LDBL_COMPAT(vprintf);
+int	 vsprintf(char * __restrict, const char * __restrict, va_list) __DARWIN_LDBL_COMPAT(vsprintf);
+#if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE)
+int	 asprintf(char **, const char *, ...) __DARWIN_LDBL_COMPAT(asprintf);
+int	 vasprintf(char **, const char *, va_list) __DARWIN_LDBL_COMPAT(vasprintf);
+#endif
+__END_DECLS
+
+/*
+ * Functions defined in POSIX 1003.1.
+ */
+#ifndef _ANSI_SOURCE
+#define	L_cuserid	9	/* size for cuserid(); UT_NAMESIZE + 1 */
+#define	L_ctermid	1024	/* size for ctermid(); PATH_MAX */
+
+__BEGIN_DECLS
+char	*ctermid(char *);
+#ifndef _POSIX_C_SOURCE
+char	*ctermid_r(char *);
+#endif /* not POSIX */
+FILE	*fdopen(int, const char *);
+#ifndef _POSIX_C_SOURCE
+char	*fgetln(FILE *, size_t *);
+#endif /* not POSIX */
+int	 fileno(FILE *);
+void	 flockfile(FILE *);
+#ifndef _POSIX_C_SOURCE
+__const char 
+	*fmtcheck(const char *, const char *);
+int	 fpurge(FILE *);
+#endif /* not POSIX */
+int	 fseeko(FILE *, fpos_t, int);
+fpos_t	 ftello(FILE *);
+int	 ftrylockfile(FILE *);
+void	 funlockfile(FILE *);
+int	 getc_unlocked(FILE *);
+int	 getchar_unlocked(void);
+#ifndef _POSIX_C_SOURCE
+int	 getw(FILE *);
+#endif /* not POSIX */
+int	 pclose(FILE *);
+FILE	*popen(const char *, const char *);
+int	 putc_unlocked(int, FILE *);
+int	 putchar_unlocked(int);
+#ifndef _POSIX_C_SOURCE
+int	 putw(int, FILE *);
+void	 setbuffer(FILE *, char *, int);
+int	 setlinebuf(FILE *);
+#endif /* not POSIX */
+int	 snprintf(char * __restrict, size_t, const char * __restrict, ...) __DARWIN_LDBL_COMPAT(snprintf);
+char	*tempnam(const char *, const char *);
+int	 vfscanf(FILE * __restrict, const char * __restrict, va_list) __DARWIN_LDBL_COMPAT(vfscanf);
+int	 vscanf(const char * __restrict, va_list) __DARWIN_LDBL_COMPAT(vscanf);
+int	 vsnprintf(char * __restrict, size_t, const char * __restrict, va_list) __DARWIN_LDBL_COMPAT(vsnprintf);
+int	 vsscanf(const char * __restrict, const char * __restrict, va_list) __DARWIN_LDBL_COMPAT(vsscanf);
+#ifndef _POSIX_C_SOURCE
+FILE	*zopen(const char *, const char *, int);
+#endif /* not POSIX */
+__END_DECLS
+
+/*
+ * Stdio function-access interface.
+ */
+#ifndef _POSIX_C_SOURCE
+__BEGIN_DECLS
+FILE	*funopen(const void *,
+		int (*)(void *, char *, int),
+		int (*)(void *, const char *, int),
+		fpos_t (*)(void *, fpos_t, int),
+		int (*)(void *));
+__END_DECLS
+#define	fropen(cookie, fn) funopen(cookie, fn, 0, 0, 0)
+#define	fwopen(cookie, fn) funopen(cookie, 0, fn, 0, 0)
+#endif /* not POSIX */
+#endif /* not ANSI */
+
+/*
+ * Functions internal to the implementation.
+ */
+__BEGIN_DECLS
+int	__srget(FILE *);
+int	__svfscanf(FILE *, const char *, va_list) __DARWIN_LDBL_COMPAT(__svfscanf);
+int	__swbuf(int, FILE *);
+__END_DECLS
+
+/*
+ * The __sfoo macros are here so that we can 
+ * define function versions in the C library.
+ */
+#define	__sgetc(p) (--(p)->_r < 0 ? __srget(p) : (int)(*(p)->_p++))
+#if defined(__GNUC__) && defined(__STDC__)
+static __inline int __sputc(int _c, FILE *_p) {
+	if (--_p->_w >= 0 || (_p->_w >= _p->_lbfsize && (char)_c != '\n'))
+		return (*_p->_p++ = _c);
+	else
+		return (__swbuf(_c, _p));
+}
+#else
+/*
+ * This has been tuned to generate reasonable code on the vax using pcc.
+ */
+#define	__sputc(c, p) \
+	(--(p)->_w < 0 ? \
+		(p)->_w >= (p)->_lbfsize ? \
+			(*(p)->_p = (c)), *(p)->_p != '\n' ? \
+				(int)*(p)->_p++ : \
+				__swbuf('\n', p) : \
+			__swbuf((int)(c), p) : \
+		(*(p)->_p = (c), (int)*(p)->_p++))
+#endif
+
+#define	__sfeof(p)	(((p)->_flags & __SEOF) != 0)
+#define	__sferror(p)	(((p)->_flags & __SERR) != 0)
+#define	__sclearerr(p)	((void)((p)->_flags &= ~(__SERR|__SEOF)))
+#define	__sfileno(p)	((p)->_file)
+
+#ifndef _ANSI_SOURCE
+#ifndef _POSIX_C_SOURCE
+#define	feof_unlocked(p)	__sfeof(p)
+#define	ferror_unlocked(p)	__sferror(p)
+#define	clearerr_unlocked(p)	__sclearerr(p)
+#define	fileno_unlocked(p)	__sfileno(p)
+#endif /* not POSIX */
+
+#ifndef lint
+#define	getc_unlocked(fp)	__sgetc(fp)
+#define putc_unlocked(x, fp)	__sputc(x, fp)
+#endif /* lint */
+
+#define	getchar_unlocked()	getc_unlocked(stdin)
+#define	putchar_unlocked(x)	putc_unlocked(x, stdout)
+#endif /* not ANSI */
 
 #ifdef _USE_EXTENDED_LOCALES_
 #include <xlocale/_stdio.h>
 #endif /* _USE_EXTENDED_LOCALES_ */
+
+#endif /* _STDIO_H_ */