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include/stdio.h Libc-763.13 Libc-1698.100.8
--- Libc/Libc-763.13/include/stdio.h
+++ Libc/Libc-1698.100.8/include/stdio.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2005, 2007, 2009, 2010 Apple Inc. All rights reserved.
+ * Copyright (c) 2000, 2005, 2007, 2009, 2010, 2023 Apple Inc. All rights reserved.
  *
  * @APPLE_LICENSE_HEADER_START@
  *
@@ -58,502 +58,8 @@
  *	@(#)stdio.h	8.5 (Berkeley) 4/29/95
  */
 
-#ifndef	_STDIO_H_
-#define	_STDIO_H_
-
-#include <sys/cdefs.h>
-#include <Availability.h>
-
-#include <_types.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 */
-
-typedef __darwin_off_t		fpos_t;
-
-#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
-extern FILE *__stdinp;
-extern FILE *__stdoutp;
-extern FILE *__stderrp;
-__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)
-
-				/* 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
-
-#define	stdin	__stdinp
-#define	stdout	__stdoutp
-#define	stderr	__stderrp
-
-#ifdef _DARWIN_UNLIMITED_STREAMS
-#if defined(__IPHONE_OS_VERSION_MIN_REQUIRED) && __IPHONE_OS_VERSION_MIN_REQUIRED < __IPHONE_3_2
-#error "_DARWIN_UNLIMITED_STREAMS specified, but -miphoneos-version-min version does not support it."
-#elif defined(__MAC_OS_X_VERSION_MIN_REQUIRED) && __MAC_OS_X_VERSION_MIN_REQUIRED < __MAC_10_6
-#error "_DARWIN_UNLIMITED_STREAMS specified, but -mmacosx-version-min version does not support it."
-#endif
-#endif
-
-/* ANSI-C */
-
-__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 *);
-#if defined(_DARWIN_UNLIMITED_STREAMS) || defined(_DARWIN_C_SOURCE)
-FILE	*fopen(const char * __restrict, const char * __restrict) __DARWIN_ALIAS_STARTING(__MAC_10_6, __IPHONE_3_2, __DARWIN_EXTSN(fopen));
-#else /* !_DARWIN_UNLIMITED_STREAMS && !_DARWIN_C_SOURCE */
-//Begin-Libc
-#ifndef LIBC_ALIAS_FOPEN
-//End-Libc
-FILE	*fopen(const char * __restrict, const char * __restrict) __DARWIN_ALIAS_STARTING(__MAC_10_6, __IPHONE_2_0, __DARWIN_ALIAS(fopen));
-//Begin-Libc
-#else /* LIBC_ALIAS_FOPEN */
-FILE	*fopen(const char * __restrict, const char * __restrict) LIBC_ALIAS(fopen);
-#endif /* !LIBC_ALIAS_FOPEN */
-//End-Libc
-#endif /* (DARWIN_UNLIMITED_STREAMS || _DARWIN_C_SOURCE) */
-int	 fprintf(FILE * __restrict, const char * __restrict, ...) __DARWIN_LDBL_COMPAT(fprintf) __printflike(2, 3);
-int	 fputc(int, FILE *);
-//Begin-Libc
-#ifndef LIBC_ALIAS_FPUTS
-//End-Libc
-int	 fputs(const char * __restrict, FILE * __restrict) __DARWIN_ALIAS(fputs);
-//Begin-Libc
-#else /* LIBC_ALIAS_FPUTS */
-int	 fputs(const char * __restrict, FILE * __restrict) LIBC_ALIAS(fputs);
-#endif /* !LIBC_ALIAS_FPUTS */
-//End-Libc
-size_t	 fread(void * __restrict, size_t, size_t, FILE * __restrict);
-//Begin-Libc
-#ifndef LIBC_ALIAS_FREOPEN
-//End-Libc
-FILE	*freopen(const char * __restrict, const char * __restrict,
-                 FILE * __restrict) __DARWIN_ALIAS(freopen);
-//Begin-Libc
-#else /* LIBC_ALIAS_FREOPEN */
-FILE	*freopen(const char * __restrict, const char * __restrict,
-                 FILE * __restrict) LIBC_ALIAS(freopen);
-#endif /* !LIBC_ALIAS_FREOPEN */
-//End-Libc
-int	 fscanf(FILE * __restrict, const char * __restrict, ...) __DARWIN_LDBL_COMPAT(fscanf) __scanflike(2, 3);
-int	 fseek(FILE *, long, int);
-int	 fsetpos(FILE *, const fpos_t *);
-long	 ftell(FILE *);
-//Begin-Libc
-#ifndef LIBC_ALIAS_FWRITE
-//End-Libc
-size_t	 fwrite(const void * __restrict, size_t, size_t, FILE * __restrict) __DARWIN_ALIAS(fwrite);
-//Begin-Libc
-#else /* LIBC_ALIAS_FWRITE */
-size_t	 fwrite(const void * __restrict, size_t, size_t, FILE * __restrict) LIBC_ALIAS(fwrite);
-#endif /* !LIBC_ALIAS_FWRITE */
-//End-Libc
-int	 getc(FILE *);
-int	 getchar(void);
-char	*gets(char *);
-void	 perror(const char *);
-int	 printf(const char * __restrict, ...) __DARWIN_LDBL_COMPAT(printf) __printflike(1, 2);
-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) __scanflike(1, 2);
-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) __printflike(2, 3);
-int	 sscanf(const char * __restrict, const char * __restrict, ...) __DARWIN_LDBL_COMPAT(sscanf) __scanflike(2, 3);
-FILE	*tmpfile(void);
-char	*tmpnam(char *);
-int	 ungetc(int, FILE *);
-int	 vfprintf(FILE * __restrict, const char * __restrict, va_list) __DARWIN_LDBL_COMPAT(vfprintf) __printflike(2, 0);
-int	 vprintf(const char * __restrict, va_list) __DARWIN_LDBL_COMPAT(vprintf) __printflike(1, 0);
-int	 vsprintf(char * __restrict, const char * __restrict, va_list) __DARWIN_LDBL_COMPAT(vsprintf) __printflike(2, 0);
-__END_DECLS
-
-
-
-/* Additional functionality provided by:
- * POSIX.1-1988
- */
-
-#if __DARWIN_C_LEVEL >= 198808L
-#define	L_ctermid	1024	/* size for ctermid(); PATH_MAX */
-
-__BEGIN_DECLS
-#ifndef __CTERMID_DEFINED
-/* Multiply defined in stdio.h and unistd.h by SUS */
-#define __CTERMID_DEFINED 1
-char	*ctermid(char *);
-#endif
-
-#if defined(_DARWIN_UNLIMITED_STREAMS) || defined(_DARWIN_C_SOURCE)
-FILE	*fdopen(int, const char *) __DARWIN_ALIAS_STARTING(__MAC_10_6, __IPHONE_3_2, __DARWIN_EXTSN(fdopen));
-#else /* !_DARWIN_UNLIMITED_STREAMS && !_DARWIN_C_SOURCE */
-//Begin-Libc
-#ifndef LIBC_ALIAS_FDOPEN
-//End-Libc
-FILE	*fdopen(int, const char *) __DARWIN_ALIAS_STARTING(__MAC_10_6, __IPHONE_2_0, __DARWIN_ALIAS(fdopen));
-//Begin-Libc
-#else /* LIBC_ALIAS_FDOPEN */
-FILE	*fdopen(int, const char *) LIBC_ALIAS(fdopen);
-#endif /* !LIBC_ALIAS_FDOPEN */
-//End-Libc
-#endif /* (DARWIN_UNLIMITED_STREAMS || _DARWIN_C_SOURCE) */
-int	 fileno(FILE *);
-__END_DECLS
-#endif /* __DARWIN_C_LEVEL >= 198808L */
-
-
-/* Additional functionality provided by:
- * POSIX.2-1992 C Language Binding Option
- */
-
-#if __DARWIN_C_LEVEL >= 199209L
-__BEGIN_DECLS
-int	 pclose(FILE *);
-#if defined(_DARWIN_UNLIMITED_STREAMS) || defined(_DARWIN_C_SOURCE)
-FILE	*popen(const char *, const char *) __DARWIN_ALIAS_STARTING(__MAC_10_6, __IPHONE_3_2, __DARWIN_EXTSN(popen));
-#else /* !_DARWIN_UNLIMITED_STREAMS && !_DARWIN_C_SOURCE */
-//Begin-Libc
-#ifndef LIBC_ALIAS_POPEN
-//End-Libc
-FILE	*popen(const char *, const char *) __DARWIN_ALIAS_STARTING(__MAC_10_6, __IPHONE_2_0, __DARWIN_ALIAS(popen));
-//Begin-Libc
-#else /* LIBC_ALIAS_POPEN */
-FILE	*popen(const char *, const char *) LIBC_ALIAS(popen);
-#endif /* !LIBC_ALIAS_POPEN */
-//End-Libc
-#endif /* (DARWIN_UNLIMITED_STREAMS || _DARWIN_C_SOURCE) */
-__END_DECLS
-#endif /* __DARWIN_C_LEVEL >= 199209L */
-
-
-
-
-/* Additional functionality provided by:
- * POSIX.1c-1995,
- * POSIX.1i-1995,
- * and the omnibus ISO/IEC 9945-1: 1996
- */
-
-#if __DARWIN_C_LEVEL >= 199506L
-
-/* Functions internal to the implementation. */
-__BEGIN_DECLS
-int	__srget(FILE *);
-int	__svfscanf(FILE *, const char *, va_list) __DARWIN_LDBL_COMPAT(__svfscanf) __scanflike(2, 0);
-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)
-
-__BEGIN_DECLS
-void	 flockfile(FILE *);
-int	 ftrylockfile(FILE *);
-void	 funlockfile(FILE *);
-int	 getc_unlocked(FILE *);
-int	 getchar_unlocked(void);
-int	 putc_unlocked(int, FILE *);
-int	 putchar_unlocked(int);
-
-/* Removed in Issue 6 */
-#if !defined(_POSIX_C_SOURCE) || _POSIX_C_SOURCE < 200112L
-int	 getw(FILE *);
-int	 putw(int, FILE *);
-#endif
-
-//Begin-Libc
-#ifndef LIBC_ALIAS_TEMPNAM
-//End-Libc
-char	*tempnam(const char *, const char *) __DARWIN_ALIAS(tempnam);
-//Begin-Libc
-#else /* LIBC_ALIAS_TEMPNAM */
-char	*tempnam(const char *, const char *) LIBC_ALIAS(tempnam);
-#endif /* !LIBC_ALIAS_TEMPNAM */
-//End-Libc
-__END_DECLS
-
-#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 /* __DARWIN_C_LEVEL >= 199506L */
-
-
-
-/* Additional functionality provided by:
- * POSIX.1-2001
- * ISO C99
- */
-
-#if __DARWIN_C_LEVEL >= 200112L
-#ifndef	_OFF_T
-#define	_OFF_T
-typedef	__darwin_off_t		off_t;
-#endif
-
-__BEGIN_DECLS
-int	 fseeko(FILE *, off_t, int);
-off_t	 ftello(FILE *);
-__END_DECLS
-#endif /* __DARWIN_C_LEVEL >= 200112L */
-
-#if __DARWIN_C_LEVEL >= 200112L || defined(_C99_SOURCE) || defined(__cplusplus)
-__BEGIN_DECLS
-int	 snprintf(char * __restrict, size_t, const char * __restrict, ...) __DARWIN_LDBL_COMPAT(snprintf) __printflike(3, 4);
-int	 vfscanf(FILE * __restrict, const char * __restrict, va_list) __DARWIN_LDBL_COMPAT(vfscanf) __scanflike(2, 0);
-int	 vscanf(const char * __restrict, va_list) __DARWIN_LDBL_COMPAT(vscanf) __scanflike(1, 0);
-int	 vsnprintf(char * __restrict, size_t, const char * __restrict, va_list) __DARWIN_LDBL_COMPAT(vsnprintf) __printflike(3, 0);
-int	 vsscanf(const char * __restrict, const char * __restrict, va_list) __DARWIN_LDBL_COMPAT(vsscanf) __scanflike(2, 0);
-__END_DECLS
-#endif /* __DARWIN_C_LEVEL >= 200112L || defined(_C99_SOURCE) || defined(__cplusplus) */
-
-
-
-/* Additional functionality provided by:
- * POSIX.1-2008
- */
-
-#if __DARWIN_C_LEVEL >= 200809L
-#ifndef _SSIZE_T
-#define _SSIZE_T
-typedef __darwin_ssize_t        ssize_t;
-#endif
-
-__BEGIN_DECLS
-int	dprintf(int, const char * __restrict, ...) __DARWIN_LDBL_COMPAT(dprintf) __printflike(2, 3) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3);
-int	vdprintf(int, const char * __restrict, va_list) __DARWIN_LDBL_COMPAT(vdprintf) __printflike(2, 0) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3);
-ssize_t getdelim(char ** __restrict, size_t * __restrict, int, FILE * __restrict) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3);
-ssize_t getline(char ** __restrict, size_t * __restrict, FILE * __restrict) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3);
-__END_DECLS
-#endif /* __DARWIN_C_LEVEL >= 200809L */
-
-
-
-/* Darwin extensions */
-
-#if __DARWIN_C_LEVEL >= __DARWIN_C_FULL
-__BEGIN_DECLS
-extern __const int sys_nerr;		/* perror(3) external variables */
-extern __const char *__const sys_errlist[];
-
-int	 asprintf(char **, const char *, ...) __DARWIN_LDBL_COMPAT(asprintf) __printflike(2, 3);
-char	*ctermid_r(char *);
-char	*fgetln(FILE *, size_t *);
-__const char *fmtcheck(const char *, const char *);
-int	 fpurge(FILE *);
-void	 setbuffer(FILE *, char *, int);
-int	 setlinebuf(FILE *);
-int	 vasprintf(char **, const char *, va_list) __DARWIN_LDBL_COMPAT(vasprintf) __printflike(2, 0);
-FILE	*zopen(const char *, const char *, int);
-
-
-/*
- * Stdio function-access interface.
- */
-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)
-
-#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 /* __DARWIN_C_LEVEL >= __DARWIN_C_FULL */
-
+#include <_stdio.h>
 
 #ifdef _USE_EXTENDED_LOCALES_
 #include <xlocale/_stdio.h>
 #endif /* _USE_EXTENDED_LOCALES_ */
-
-#if defined (__GNUC__) && _FORTIFY_SOURCE > 0 && !defined (__cplusplus)
-/* Security checking functions.  */
-#include <secure/_stdio.h>
-#endif
-
-#endif /* _STDIO_H_ */