Loading...
--- Libc/Libc-320/include/stdio.h
+++ Libc/Libc-1158.20.4/include/stdio.h
@@ -1,17 +1,15 @@
/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000, 2005, 2007, 2009, 2010 Apple Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
- *
- * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
- *
+ *
* 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,
@@ -19,7 +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@
*/
/*-
@@ -63,28 +61,20 @@
#ifndef _STDIO_H_
#define _STDIO_H_
-#if !defined(_ANSI_SOURCE) && !defined(__STRICT_ANSI__)
-#include <sys/types.h>
-#endif
-
#include <sys/cdefs.h>
-
-#include <machine/ansi.h>
-#ifndef _BSD_SIZE_T_DEFINED_
-#define _BSD_SIZE_T_DEFINED_
-typedef _BSD_SIZE_T_ size_t;
-#endif
-
-#ifndef NULL
-#define NULL 0
-#endif
-
-#if !defined(_ANSI_SOURCE) && !defined(__STRICT_ANSI__)
-typedef off_t fpos_t;
-#else
-#include <machine/types.h>
-typedef int64_t fpos_t;
-#endif
+#include <Availability.h>
+
+#include <_types.h>
+
+/* DO NOT REMOVE THIS COMMENT: fixincludes needs to see:
+ * __gnuc_va_list and include <stdarg.h> */
+#include <sys/_types/_va_list.h>
+#include <sys/_types/_size_t.h>
+#include <sys/_types/_null.h>
+
+#include <sys/stdio.h>
+
+typedef __darwin_off_t fpos_t;
#define _FSTDIO /* Define for new stdio with functions. */
@@ -96,8 +86,8 @@
/* stdio buffers */
struct __sbuf {
- unsigned char *_base;
- int _size;
+ unsigned char *_base;
+ int _size;
};
/* hold a buncha junk that would grow the ABI */
@@ -140,10 +130,10 @@
/* 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);
+ int (* _Nullable _close)(void *);
+ int (* _Nullable _read) (void *, char *, int);
+ fpos_t (* _Nullable _seek) (void *, fpos_t, int);
+ int (* _Nullable _write)(void *, const char *, int);
/* separate buffer for long sequences of ungetc() */
struct __sbuf _ub; /* ungetc buffer */
@@ -163,7 +153,9 @@
} FILE;
__BEGIN_DECLS
-extern FILE __sF[];
+extern FILE *__stdinp;
+extern FILE *__stdoutp;
+extern FILE *__stderrp;
__END_DECLS
#define __SLBF 0x0001 /* line buffered */
@@ -200,11 +192,6 @@
#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> */
@@ -226,13 +213,20 @@
#define SEEK_END 2 /* set file offset to EOF plus offset */
#endif
-#define stdin (&__sF[0])
-#define stdout (&__sF[1])
-#define stderr (&__sF[2])
-
-/*
- * Functions defined in ANSI C standard.
- */
+#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 *);
@@ -240,127 +234,172 @@
int ferror(FILE *);
int fflush(FILE *);
int fgetc(FILE *);
-int fgetpos(FILE *, fpos_t *);
-char *fgets(char *, int, FILE *);
-FILE *fopen(const char *, const char *);
-int fprintf(FILE *, const char *, ...);
+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 __filename, const char * __restrict __mode) __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 __filename, const char * __restrict __mode) __DARWIN_ALIAS_STARTING(__MAC_10_6, __IPHONE_2_0, __DARWIN_ALIAS(fopen));
+//Begin-Libc
+#else /* LIBC_ALIAS_FOPEN */
+FILE *fopen(const char * __restrict __filename, const char * __restrict __mode) LIBC_ALIAS(fopen);
+#endif /* !LIBC_ALIAS_FOPEN */
+//End-Libc
+#endif /* (DARWIN_UNLIMITED_STREAMS || _DARWIN_C_SOURCE) */
+int fprintf(FILE * __restrict, const char * __restrict, ...) __printflike(2, 3);
int fputc(int, FILE *);
-int fputs(const char *, FILE *);
-size_t fread(void *, size_t, size_t, FILE *);
-FILE *freopen(const char *, const char *, FILE *);
-int fscanf(FILE *, const char *, ...);
+//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 __ptr, size_t __size, size_t __nitems, FILE * __restrict __stream);
+//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, ...) __scanflike(2, 3);
int fseek(FILE *, long, int);
int fsetpos(FILE *, const fpos_t *);
long ftell(FILE *);
-size_t fwrite(const void *, size_t, size_t, FILE *);
+//Begin-Libc
+#ifndef LIBC_ALIAS_FWRITE
+//End-Libc
+size_t fwrite(const void * __restrict __ptr, size_t __size, size_t __nitems, FILE * __restrict __stream) __DARWIN_ALIAS(fwrite);
+//Begin-Libc
+#else /* LIBC_ALIAS_FWRITE */
+size_t fwrite(const void * __restrict __ptr, size_t __size, size_t __nitems, FILE * __restrict __stream) LIBC_ALIAS(fwrite);
+#endif /* !LIBC_ALIAS_FWRITE */
+//End-Libc
int getc(FILE *);
int getchar(void);
char *gets(char *);
-#if !defined(_ANSI_SOURCE) && !defined(_POSIX_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 *, ...);
+int printf(const char * __restrict, ...) __printflike(1, 2);
int putc(int, FILE *);
int putchar(int);
int puts(const char *);
int remove(const char *);
-int rename (const char *, const char *);
+int rename (const char *__old, const char *__new);
void rewind(FILE *);
-int scanf(const char *, ...);
-void setbuf(FILE *, char *);
-int setvbuf(FILE *, char *, int, size_t);
-int sprintf(char *, const char *, ...);
-int sscanf(const char *, const char *, ...);
+int scanf(const char * __restrict, ...) __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, ...) __printflike(2, 3) __swift_unavailable("Use snprintf instead.");
+int sscanf(const char * __restrict, const char * __restrict, ...) __scanflike(2, 3);
FILE *tmpfile(void);
+
+__swift_unavailable("Use mkstemp(3) instead.")
+#if !defined(_POSIX_C_SOURCE)
+__deprecated_msg("This function is provided for compatibility reasons only. Due to security concerns inherent in the design of tmpnam(3), it is highly recommended that you use mkstemp(3) instead.")
+#endif
char *tmpnam(char *);
int ungetc(int, FILE *);
-int vfprintf(FILE *, const char *, _BSD_VA_LIST_);
-int vprintf(const char *, _BSD_VA_LIST_);
-int vsprintf(char *, const char *, _BSD_VA_LIST_);
-int asprintf(char **, const char *, ...);
-int vasprintf(char **, const char *, _BSD_VA_LIST_);
-__END_DECLS
-
-/*
- * Functions defined in POSIX 1003.1.
- */
-#ifndef _ANSI_SOURCE
-#define L_cuserid 9 /* size for cuserid(); UT_NAMESIZE + 1 */
+int vfprintf(FILE * __restrict, const char * __restrict, va_list) __printflike(2, 0);
+int vprintf(const char * __restrict, va_list) __printflike(1, 0);
+int vsprintf(char * __restrict, const char * __restrict, va_list) __printflike(2, 0) __swift_unavailable("Use vsnprintf instead.");
+__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 *);
-char *ctermid_r(char *);
-FILE *fdopen(int, const 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 /* not ANSI */
-
-/*
- * Routines that are purely local.
- */
-#if !defined (_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
-__BEGIN_DECLS
-char *fgetln(FILE *, size_t *);
-void flockfile(FILE *);
-__const char
- *fmtcheck(const char *, const char *);
-int fpurge(FILE *);
-int fseeko(FILE *, fpos_t, int);
-fpos_t ftello(FILE *);
-int ftrylockfile(FILE *);
-void funlockfile(FILE *);
-int getc_unlocked(FILE *);
-int getchar_unlocked(void);
-int getw(FILE *);
-int pclose(FILE *);
-FILE *popen(const char *, const char *);
-int putc_unlocked(int, FILE *);
-int putchar_unlocked(int);
-int putw(int, FILE *);
-void setbuffer(FILE *, char *, int);
-int setlinebuf(FILE *);
-char *tempnam(const char *, const char *);
-int snprintf(char *, size_t, const char *, ...);
-int vfscanf(FILE *, const char *, _BSD_VA_LIST_);
-int vsnprintf(char *, size_t, const char *, _BSD_VA_LIST_);
-int vscanf(const char *, _BSD_VA_LIST_);
-int vsscanf(const char *, const char *, _BSD_VA_LIST_);
-FILE *zopen(const char *, const char *, int);
-__END_DECLS
-
-/*
- * Stdio function-access interface.
- */
-__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 /* !_ANSI_SOURCE && !_POSIX_SOURCE */
-
-/*
- * Functions internal to the implementation.
- */
+#endif /* __DARWIN_C_LEVEL >= 198808L */
+
+
+/* Additional functionality provided by:
+ * POSIX.2-1992 C Language Binding Option
+ */
+#if TARGET_OS_EMBEDDED
+#define __swift_unavailable_on(osx_msg, ios_msg) __swift_unavailable(ios_msg)
+#else
+#define __swift_unavailable_on(osx_msg, ios_msg) __swift_unavailable(osx_msg)
+#endif
+
+#if __DARWIN_C_LEVEL >= 199209L
+__BEGIN_DECLS
+int pclose(FILE *) __swift_unavailable_on("Use posix_spawn APIs or NSTask instead.", "Process spawning is unavailable.");
+#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)) __swift_unavailable_on("Use posix_spawn APIs or NSTask instead.", "Process spawning is unavailable.");
+#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)) __swift_unavailable_on("Use posix_spawn APIs or NSTask instead.", "Process spawning is unavailable.");
+//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 */
+
+#undef __swift_unavailable_on
+
+/* 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 *, _BSD_VA_LIST_);
+int __svfscanf(FILE *, const char *, va_list) __scanflike(2, 0);
int __swbuf(int, FILE *);
__END_DECLS
/*
- * The __sfoo macros are here so that we can
+ * 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) {
+__header_always_inline int __sputc(int _c, FILE *_p) {
if (--_p->_w >= 0 || (_p->_w >= _p->_lbfsize && (char)_c != '\n'))
return (*_p->_p++ = _c);
else
@@ -385,13 +424,35 @@
#define __sclearerr(p) ((void)((p)->_flags &= ~(__SERR|__SEOF)))
#define __sfileno(p) ((p)->_file)
-#define feof_unlocked(p) __sfeof(p)
-#define ferror_unlocked(p) __sferror(p)
-#define clearerr_unlocked(p) __sclearerr(p)
-
-#ifndef _ANSI_SOURCE
-#define fileno_unlocked(p) __sfileno(p)
-#endif
+__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
+
+__swift_unavailable("Use mkstemp(3) instead.")
+#if !defined(_POSIX_C_SOURCE)
+__deprecated_msg("This function is provided for compatibility reasons only. Due to security concerns inherent in the design of tempnam(3), it is highly recommended that you use mkstemp(3) instead.")
+#endif
+//Begin-Libc
+#ifndef LIBC_ALIAS_TEMPNAM
+//End-Libc
+char *tempnam(const char *__dir, const char *__prefix) __DARWIN_ALIAS(tempnam);
+//Begin-Libc
+#else /* LIBC_ALIAS_TEMPNAM */
+char *tempnam(const char *__dir, const char *__prefix) LIBC_ALIAS(tempnam);
+#endif /* !LIBC_ALIAS_TEMPNAM */
+//End-Libc
+__END_DECLS
#ifndef lint
#define getc_unlocked(fp) __sgetc(fp)
@@ -400,4 +461,98 @@
#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
+#include <sys/_types/_off_t.h>
+
+__BEGIN_DECLS
+int fseeko(FILE * __stream, off_t __offset, int __whence);
+off_t ftello(FILE * __stream);
+__END_DECLS
+#endif /* __DARWIN_C_LEVEL >= 200112L */
+
+#if __DARWIN_C_LEVEL >= 200112L || defined(_C99_SOURCE) || defined(__cplusplus)
+__BEGIN_DECLS
+int snprintf(char * __restrict __str, size_t __size, const char * __restrict __format, ...) __printflike(3, 4);
+int vfscanf(FILE * __restrict __stream, const char * __restrict __format, va_list) __scanflike(2, 0);
+int vscanf(const char * __restrict __format, va_list) __scanflike(1, 0);
+int vsnprintf(char * __restrict __str, size_t __size, const char * __restrict __format, va_list) __printflike(3, 0);
+int vsscanf(const char * __restrict __str, const char * __restrict __format, va_list) __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
+#include <sys/_types/_ssize_t.h>
+
+__BEGIN_DECLS
+int dprintf(int, const char * __restrict, ...) __printflike(2, 3) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3);
+int vdprintf(int, const char * __restrict, va_list) __printflike(2, 0) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3);
+ssize_t getdelim(char ** __restrict __linep, size_t * __restrict __linecapp, int __delimiter, FILE * __restrict __stream) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3);
+ssize_t getline(char ** __restrict __linep, size_t * __restrict __linecapp, FILE * __restrict __stream) __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 ** __restrict, const char * __restrict, ...) __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 ** __restrict, const char * __restrict, va_list) __printflike(2, 0);
+FILE *zopen(const char *, const char *, int);
+
+
+/*
+ * Stdio function-access interface.
+ */
+FILE *funopen(const void *,
+ int (* _Nullable)(void *, char *, int),
+ int (* _Nullable)(void *, const char *, int),
+ fpos_t (* _Nullable)(void *, fpos_t, int),
+ int (* _Nullable)(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 */
+
+
+#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_ */