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include/stdlib.h Libc-391 Libc-1534.40.2
--- Libc/Libc-391/include/stdlib.h
+++ Libc/Libc-1534.40.2/include/stdlib.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2000, 2005 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000, 2002 - 2008 Apple Inc. All rights reserved.
  *
  * @APPLE_LICENSE_HEADER_START@
  * 
@@ -58,40 +58,29 @@
 #ifndef _STDLIB_H_
 #define _STDLIB_H_
 
+#include <Availability.h>
 #include <sys/cdefs.h>
+
 #include <_types.h>
 #if !defined(_ANSI_SOURCE)
+#ifndef UNIFDEF_DRIVERKIT
 #include <sys/wait.h>
-#if !defined(_POSIX_C_SOURCE)
+#endif /* UNIFDEF_DRIVERKIT */
+#if (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE))
 #include <alloca.h>
-#endif /* !_POSIX_C_SOURCE */
+#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
 #endif /* !_ANSI_SOURCE */
 
-#ifndef	_SIZE_T
-#define	_SIZE_T
 /* DO NOT REMOVE THIS COMMENT: fixincludes needs to see:
  * _GCC_SIZE_T */
-typedef	__darwin_size_t		size_t;
-#endif
-
-#if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE)
-#ifndef _CT_RUNE_T
-#define _CT_RUNE_T
-typedef	__darwin_ct_rune_t	ct_rune_t;
-#endif
-
-#ifndef _RUNE_T
-#define _RUNE_T
-typedef __darwin_rune_t   	rune_t;
-#endif
-#endif
-
-#ifndef	__cplusplus
-#ifndef	_WCHAR_T
-#define	_WCHAR_T
-typedef	__darwin_wchar_t	wchar_t;
-#endif	/* _WCHAR_T */
-#endif	/* __cplusplus */
+#include <sys/_types/_size_t.h>
+
+#if !defined(_ANSI_SOURCE) && (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE))
+#include <sys/_types/_ct_rune_t.h>
+#include <sys/_types/_rune_t.h>
+#endif	/* !_ANSI_SOURCE && (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */
+
+#include <sys/_types/_wchar_t.h>
 
 typedef struct {
 	int quot;		/* quotient */
@@ -110,12 +99,12 @@
 } lldiv_t;
 #endif /* !__DARWIN_NO_LONG_LONG */
 
-#ifndef NULL
-#define NULL __DARWIN_NULL
-#endif /* ! NULL */
-
+#include <sys/_types/_null.h>
+
+#ifndef UNIFDEF_DRIVERKIT
 #define	EXIT_FAILURE	1
 #define	EXIT_SUCCESS	0
+#endif /* UNIFDEF_DRIVERKIT */
 
 #define	RAND_MAX	0x7fffffff
 
@@ -135,15 +124,21 @@
 #endif /* _USE_EXTENDED_LOCALES_ */
 #endif /* MB_CUR_MAX */
 
-#if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE) \
+#if !defined(_ANSI_SOURCE) && (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)) \
     && defined(_USE_EXTENDED_LOCALES_) && !defined(MB_CUR_MAX_L)
 #define	MB_CUR_MAX_L(x)	(___mb_cur_max_l(x))
 #endif
 
+#ifndef UNIFDEF_DRIVERKIT
+#include <malloc/_malloc.h>
+#endif /* UNIFDEF_DRIVERKIT */
+
 __BEGIN_DECLS
-void	 abort(void) __dead2;
+void	 abort(void) __cold __dead2;
 int	 abs(int) __pure2;
-int	 atexit(void (*)(void));
+#ifndef UNIFDEF_DRIVERKIT
+int	 atexit(void (* _Nonnull)(void));
+#endif /* UNIFDEF_DRIVERKIT */
 double	 atof(const char *);
 int	 atoi(const char *);
 long	 atol(const char *);
@@ -151,13 +146,17 @@
 long long
 	 atoll(const char *);
 #endif /* !__DARWIN_NO_LONG_LONG */
-void	*bsearch(const void *, const void *, size_t,
-	    size_t, int (*)(const void *, const void *));
-void	*calloc(size_t, size_t);
+void	*bsearch(const void *__key, const void *__base, size_t __nel,
+	    size_t __width, int (* _Nonnull __compar)(const void *, const void *));
+#ifndef UNIFDEF_DRIVERKIT
+/* calloc is now declared in _malloc.h */
+#endif /* UNIFDEF_DRIVERKIT */
 div_t	 div(int, int) __pure2;
+#ifndef UNIFDEF_DRIVERKIT
 void	 exit(int) __dead2;
-void	 free(void *);
+/* free is now declared in _malloc.h */
 char	*getenv(const char *);
+#endif /* UNIFDEF_DRIVERKIT */
 long	 labs(long) __pure2;
 ldiv_t	 ldiv(long, long) __pure2;
 #if !__DARWIN_NO_LONG_LONG
@@ -165,40 +164,64 @@
 	 llabs(long long);
 lldiv_t	 lldiv(long long, long long);
 #endif /* !__DARWIN_NO_LONG_LONG */
-void	*malloc(size_t);
-int	 mblen(const char *, size_t);
+#ifndef UNIFDEF_DRIVERKIT
+/* malloc is now declared in _malloc.h */
+#endif /* UNIFDEF_DRIVERKIT */
+int	 mblen(const char *__s, size_t __n);
 size_t	 mbstowcs(wchar_t * __restrict , const char * __restrict, size_t);
 int	 mbtowc(wchar_t * __restrict, const char * __restrict, size_t);
-void	 qsort(void *, size_t, size_t,
-	    int (*)(const void *, const void *));
-int	 rand(void);
-void	*realloc(void *, size_t);
-void	 srand(unsigned);
-double	 strtod(const char *, char **);
-float	 strtof(const char *, char **);
-long	 strtol(const char *, char **, int);
+#ifndef UNIFDEF_DRIVERKIT
+/* posix_memalign is now declared in _malloc.h */
+#endif /* UNIFDEF_DRIVERKIT */
+void	 qsort(void *__base, size_t __nel, size_t __width,
+	    int (* _Nonnull __compar)(const void *, const void *));
+#ifndef UNIFDEF_DRIVERKIT
+int	 rand(void) __swift_unavailable("Use arc4random instead.");
+/* realloc is now declared in _malloc.h */
+void	 srand(unsigned) __swift_unavailable("Use arc4random instead.");
+#endif /* UNIFDEF_DRIVERKIT */
+double	 strtod(const char *, char **) __DARWIN_ALIAS(strtod);
+float	 strtof(const char *, char **) __DARWIN_ALIAS(strtof);
+long	 strtol(const char *__str, char **__endptr, int __base);
 long double
-	 strtold(const char *, char **) __DARWIN_LDBL_COMPAT(strtold);
+	 strtold(const char *, char **);
 #if !__DARWIN_NO_LONG_LONG
 long long 
-	 strtoll(const char *, char **, int);
+	 strtoll(const char *__str, char **__endptr, int __base);
 #endif /* !__DARWIN_NO_LONG_LONG */
 unsigned long
-	 strtoul(const char *, char **, int);
+	 strtoul(const char *__str, char **__endptr, int __base);
 #if !__DARWIN_NO_LONG_LONG
 unsigned long long
-	 strtoull(const char *, char **, int);
-#endif /* !__DARWIN_NO_LONG_LONG */
-int	 system(const char *);
+	 strtoull(const char *__str, char **__endptr, int __base);
+#endif /* !__DARWIN_NO_LONG_LONG */
+#ifndef UNIFDEF_DRIVERKIT
+//Begin-Libc
+#ifndef LIBC_ALIAS_SYSTEM
+//End-Libc
+
+__swift_unavailable("Use posix_spawn APIs or NSTask instead. (On iOS, process spawning is unavailable.)")
+__API_AVAILABLE(macos(10.0)) __IOS_PROHIBITED
+__WATCHOS_PROHIBITED __TVOS_PROHIBITED
+int	 system(const char *) __DARWIN_ALIAS_C(system);
+//Begin-Libc
+#else /* LIBC_ALIAS_SYSTEM */
+int	 system(const char *) LIBC_ALIAS_C(system);
+#endif /* !LIBC_ALIAS_SYSTEM */
+//End-Libc
+
+#endif /* UNIFDEF_DRIVERKIT */
+
 size_t	 wcstombs(char * __restrict, const wchar_t * __restrict, size_t);
 int	 wctomb(char *, wchar_t);
 
+#ifndef UNIFDEF_DRIVERKIT
 #ifndef _ANSI_SOURCE
 void	_Exit(int) __dead2;
 long	 a64l(const char *);
 double	 drand48(void);
 char	*ecvt(double, int, int *__restrict, int *__restrict); /* LEGACY */
-double	 erand48(unsigned short[3]); 
+double	 erand48(unsigned short[3]);
 char	*fcvt(double, int, int *__restrict, int *__restrict); /* LEGACY */
 char	*gcvt(double, int, char *); /* LEGACY */
 int	 getsubopt(char **, char * const *, char **);
@@ -208,24 +231,77 @@
 #else /* !__DARWIN_UNIX03 */
 char	*initstate(unsigned long, char *, long);
 #endif /* __DARWIN_UNIX03 */
-long	 jrand48(unsigned short[3]);
+long	 jrand48(unsigned short[3]) __swift_unavailable("Use arc4random instead.");
 char	*l64a(long);
 void	 lcong48(unsigned short[7]);
-long	 lrand48(void);
+long	 lrand48(void) __swift_unavailable("Use arc4random 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 mktemp(3), it is highly recommended that you use mkstemp(3) instead.")
+#endif
 char	*mktemp(char *);
 int	 mkstemp(char *);
-long	 mrand48(void); 
-long	 nrand48(unsigned short[3]);
+long	 mrand48(void) __swift_unavailable("Use arc4random instead.");
+long	 nrand48(unsigned short[3]) __swift_unavailable("Use arc4random instead.");
 int	 posix_openpt(int);
 char	*ptsname(int);
+
+#if (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE))
+int ptsname_r(int fildes, char *buffer, size_t buflen) __API_AVAILABLE(macos(10.13.4), ios(11.3), tvos(11.3), watchos(4.3));
+#endif
+
+//Begin-Libc
+#ifndef LIBC_ALIAS_PUTENV
+//End-Libc
 int	 putenv(char *) __DARWIN_ALIAS(putenv);
-long	 random(void);
-char	*realpath(const char *, char *resolved_path);
+//Begin-Libc
+#else /* LIBC_ALIAS_PUTENV */
+int	 putenv(char *) LIBC_ALIAS(putenv);
+#endif /* !LIBC_ALIAS_PUTENV */
+//End-Libc
+long	 random(void) __swift_unavailable("Use arc4random instead.");
+int	 rand_r(unsigned *) __swift_unavailable("Use arc4random instead.");
+//Begin-Libc
+#ifdef __LIBC__
+#ifndef LIBC_ALIAS_REALPATH
+char	*realpath(const char * __restrict, char * __restrict) __DARWIN_EXTSN(realpath);
+#else /* LIBC_ALIAS_REALPATH */
+#ifdef VARIANT_DARWINEXTSN
+char	*realpath(const char * __restrict, char * __restrict) LIBC_EXTSN(realpath);
+#else /* !VARIANT_DARWINEXTSN */
+char	*realpath(const char * __restrict, char * __restrict) LIBC_ALIAS(realpath);
+#endif /* VARIANT_DARWINEXTSN */
+#endif /* !LIBC_ALIAS_REALPATH */
+#else /* !__LIBC__ */
+//End-Libc
+#if (__DARWIN_UNIX03 && !defined(_POSIX_C_SOURCE)) || defined(_DARWIN_C_SOURCE) || defined(_DARWIN_BETTER_REALPATH)
+char	*realpath(const char * __restrict, char * __restrict) __DARWIN_EXTSN(realpath);
+#else /* (!__DARWIN_UNIX03 || _POSIX_C_SOURCE) && !_DARWIN_C_SOURCE && !_DARWIN_BETTER_REALPATH */
+char	*realpath(const char * __restrict, char * __restrict) __DARWIN_ALIAS(realpath);
+#endif /* (__DARWIN_UNIX03 && _POSIX_C_SOURCE) || _DARWIN_C_SOURCE || _DARWIN_BETTER_REALPATH */
+//Begin-Libc
+#endif /* __LIBC__ */
+//End-Libc
 unsigned short
 	*seed48(unsigned short[3]);
-int	 setenv(const char *, const char *, int) __DARWIN_ALIAS(setenv);
+//Begin-Libc
+#ifndef LIBC_ALIAS_SETENV
+//End-Libc
+int	 setenv(const char * __name, const char * __value, int __overwrite) __DARWIN_ALIAS(setenv);
+//Begin-Libc
+#else /* LIBC_ALIAS_SETENV */
+int	 setenv(const char * __name, const char * __value, int __overwrite) LIBC_ALIAS(setenv);
+#endif /* !LIBC_ALIAS_SETENV */
+//End-Libc
 #if __DARWIN_UNIX03
+//Begin-Libc
+#ifndef LIBC_ALIAS_SETKEY
+//End-Libc
 void	 setkey(const char *) __DARWIN_ALIAS(setkey);
+//Begin-Libc
+#else /* LIBC_ALIAS_SETKEY */
+void	 setkey(const char *) LIBC_ALIAS(setkey);
+#endif /* !LIBC_ALIAS_SETKEY */
+//End-Libc
 #else /* !__DARWIN_UNIX03 */
 int	 setkey(const char *);
 #endif /* __DARWIN_UNIX03 */
@@ -238,30 +314,59 @@
 #endif /* __DARWIN_UNIX03 */
 int	 unlockpt(int);
 #if __DARWIN_UNIX03
+//Begin-Libc
+#ifndef LIBC_ALIAS_UNSETENV
+//End-Libc
 int	 unsetenv(const char *) __DARWIN_ALIAS(unsetenv);
+//Begin-Libc
+#else /* LIBC_ALIAS_UNSETENV */
+int	 unsetenv(const char *) LIBC_ALIAS(unsetenv);
+#endif /* !LIBC_ALIAS_UNSETENV */
+//End-Libc
 #else /* !__DARWIN_UNIX03 */
 void	 unsetenv(const char *);
 #endif /* __DARWIN_UNIX03 */
-#endif
-
-#if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE)
+#endif	/* !_ANSI_SOURCE */
+#endif /* UNIFDEF_DRIVERKIT */
+
+#if !defined(_ANSI_SOURCE) && (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE))
 #include <machine/types.h>
-
-#ifndef _DEV_T
-typedef	__darwin_dev_t	dev_t;
-#define _DEV_T
-#endif
-
-#ifndef	_MODE_T
-typedef	__darwin_mode_t	mode_t;
-#define _MODE_T
-#endif
-
-u_int32_t
-	 arc4random(void);
-void	 arc4random_addrandom(unsigned char *dat, int datlen);
+#ifndef UNIFDEF_DRIVERKIT
+#include <sys/_types/_dev_t.h>
+#include <sys/_types/_mode_t.h>
+#endif /* UNIFDEF_DRIVERKIT */
+#include <_types/_uint32_t.h>
+
+uint32_t arc4random(void);
+#ifndef UNIFDEF_DRIVERKIT
+void	 arc4random_addrandom(unsigned char * /*dat*/, int /*datlen*/)
+    __OSX_DEPRECATED(10.0, 10.12, "use arc4random_stir")
+    __IOS_DEPRECATED(2.0, 10.0, "use arc4random_stir")
+    __TVOS_DEPRECATED(2.0, 10.0, "use arc4random_stir")
+    __WATCHOS_DEPRECATED(1.0, 3.0, "use arc4random_stir");
+#endif /* UNIFDEF_DRIVERKIT */
+void	 arc4random_buf(void * __buf, size_t __nbytes) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3);
 void	 arc4random_stir(void);
-
+uint32_t
+	 arc4random_uniform(uint32_t __upper_bound) __OSX_AVAILABLE_STARTING(__MAC_10_7, __IPHONE_4_3);
+#ifdef __BLOCKS__
+#ifndef UNIFDEF_DRIVERKIT
+int	 atexit_b(void (^ _Nonnull)(void)) __OSX_AVAILABLE_STARTING(__MAC_10_6, __IPHONE_3_2);
+#endif /* UNIFDEF_DRIVERKIT */
+
+#ifdef __BLOCKS__
+#if __has_attribute(noescape)
+#define __bsearch_noescape __attribute__((__noescape__))
+#else
+#define __bsearch_noescape
+#endif
+#endif /* __BLOCKS__ */
+void	*bsearch_b(const void *__key, const void *__base, size_t __nel,
+	    size_t __width, int (^ _Nonnull __compar)(const void *, const void *) __bsearch_noescape)
+	    __OSX_AVAILABLE_STARTING(__MAC_10_6, __IPHONE_3_2);
+#endif /* __BLOCKS__ */
+
+#ifndef UNIFDEF_DRIVERKIT
 	 /* getcap(3) functions */
 char	*cgetcap(char *, const char *, int);
 int	 cgetclose(void);
@@ -274,37 +379,87 @@
 int	 cgetstr(char *, const char *, char **);
 int	 cgetustr(char *, const char *, char **);
 
-int	 daemon(int, int);
+int	 daemon(int, int) __DARWIN_1050(daemon) __OSX_AVAILABLE_BUT_DEPRECATED_MSG(__MAC_10_0, __MAC_10_5, __IPHONE_2_0, __IPHONE_2_0, "Use posix_spawn APIs instead.") __WATCHOS_PROHIBITED __TVOS_PROHIBITED;
 char	*devname(dev_t, mode_t);
 char	*devname_r(dev_t, mode_t, char *buf, int len);
 char	*getbsize(int *, long *);
 int	 getloadavg(double [], int);
 const char
 	*getprogname(void);
-
-int	 heapsort(void *, size_t, size_t,
-	    int (*)(const void *, const void *));
-int	 mergesort(void *, size_t, size_t,
-	    int (*)(const void *, const void *));
-void	 qsort_r(void *, size_t, size_t, void *,
-	    int (*)(void *, const void *, const void *));
-int	 radixsort(const unsigned char **, int, const unsigned char *,
-	    unsigned);
 void	 setprogname(const char *);
-int	 sradixsort(const unsigned char **, int, const unsigned char *,
-	    unsigned);
+#endif /* UNIFDEF_DRIVERKIT */
+
+#ifdef __BLOCKS__
+#if __has_attribute(noescape)
+#define __sort_noescape __attribute__((__noescape__))
+#else
+#define __sort_noescape
+#endif
+#endif /* __BLOCKS__ */
+
+int	 heapsort(void *__base, size_t __nel, size_t __width,
+	    int (* _Nonnull __compar)(const void *, const void *));
+#ifdef __BLOCKS__
+int	 heapsort_b(void *__base, size_t __nel, size_t __width,
+	    int (^ _Nonnull __compar)(const void *, const void *) __sort_noescape)
+	    __OSX_AVAILABLE_STARTING(__MAC_10_6, __IPHONE_3_2);
+#endif /* __BLOCKS__ */
+int	 mergesort(void *__base, size_t __nel, size_t __width,
+	    int (* _Nonnull __compar)(const void *, const void *));
+#ifdef __BLOCKS__
+int	 mergesort_b(void *__base, size_t __nel, size_t __width,
+	    int (^ _Nonnull __compar)(const void *, const void *) __sort_noescape)
+	    __OSX_AVAILABLE_STARTING(__MAC_10_6, __IPHONE_3_2);
+#endif /* __BLOCKS__ */
+#ifndef UNIFDEF_DRIVERKIT
+void	 psort(void *__base, size_t __nel, size_t __width,
+	    int (* _Nonnull __compar)(const void *, const void *))
+	    __OSX_AVAILABLE_STARTING(__MAC_10_6, __IPHONE_3_2);
+#ifdef __BLOCKS__
+void	 psort_b(void *__base, size_t __nel, size_t __width,
+	    int (^ _Nonnull __compar)(const void *, const void *) __sort_noescape)
+	    __OSX_AVAILABLE_STARTING(__MAC_10_6, __IPHONE_3_2);
+#endif /* __BLOCKS__ */
+void	 psort_r(void *__base, size_t __nel, size_t __width, void *,
+	    int (* _Nonnull __compar)(void *, const void *, const void *))
+	    __OSX_AVAILABLE_STARTING(__MAC_10_6, __IPHONE_3_2);
+#endif /* UNIFDEF_DRIVERKIT */
+#ifdef __BLOCKS__
+void	 qsort_b(void *__base, size_t __nel, size_t __width,
+	    int (^ _Nonnull __compar)(const void *, const void *) __sort_noescape)
+	    __OSX_AVAILABLE_STARTING(__MAC_10_6, __IPHONE_3_2);
+#endif /* __BLOCKS__ */
+void	 qsort_r(void *__base, size_t __nel, size_t __width, void *,
+	    int (* _Nonnull __compar)(void *, const void *, const void *));
+int	 radixsort(const unsigned char **__base, int __nel, const unsigned char *__table,
+	    unsigned __endbyte);
+int	rpmatch(const char *)
+	__API_AVAILABLE(macos(10.15), ios(13.0), tvos(13.0), watchos(6.0));
+int	 sradixsort(const unsigned char **__base, int __nel, const unsigned char *__table,
+	    unsigned __endbyte);
+#ifndef UNIFDEF_DRIVERKIT
 void	 sranddev(void);
 void	 srandomdev(void);
-int	 rand_r(unsigned *);
-void	*reallocf(void *, size_t);
-#if !__DARWIN_NO_LONG_LONG
+void	*reallocf(void *__ptr, size_t __size) __alloc_size(2);
 long long
-	 strtoq(const char *, char **, int);
+	strtonum(const char *__numstr, long long __minval, long long __maxval, const char **__errstrp)
+	__API_AVAILABLE(macos(10.16), ios(14.0), tvos(14.0), watchos(7.0));
+#endif /* UNIFDEF_DRIVERKIT */
+#if !__DARWIN_NO_LONG_LONG
+long long
+	 strtoq(const char *__str, char **__endptr, int __base);
 unsigned long long
-	 strtouq(const char *, char **, int);
-#endif /* !__DARWIN_NO_LONG_LONG */
+	 strtouq(const char *__str, char **__endptr, int __base);
+#endif /* !__DARWIN_NO_LONG_LONG */
+#ifndef UNIFDEF_DRIVERKIT
 extern char *suboptarg;		/* getsubopt(3) external variable */
-void	*valloc(size_t);
+/* valloc is now declared in _malloc.h */
+#endif /* UNIFDEF_DRIVERKIT */
+#endif	/* !_ANSI_SOURCE && !_POSIX_SOURCE */
+
+/* Poison the following routines if -fshort-wchar is set */
+#if !defined(__cplusplus) && defined(__WCHAR_MAX__) && __WCHAR_MAX__ <= 0xffffU
+#pragma GCC poison mbstowcs mbtowc wcstombs wctomb
 #endif
 __END_DECLS