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-rw-r--r--stdlib/stdlib.h911
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diff --git a/stdlib/stdlib.h b/stdlib/stdlib.h
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--- a/stdlib/stdlib.h
+++ /dev/null
@@ -1,911 +0,0 @@
-/* Copyright (C) 1991-2017 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
-
-/*
- * ISO C99 Standard: 7.20 General utilities <stdlib.h>
- */
-
-#ifndef _STDLIB_H
-
-#define __GLIBC_INTERNAL_STARTING_HEADER_IMPLEMENTATION
-#include <bits/libc-header-start.h>
-
-/* Get size_t, wchar_t and NULL from <stddef.h>. */
-#define __need_size_t
-#define __need_wchar_t
-#define __need_NULL
-#include <stddef.h>
-
-__BEGIN_DECLS
-
-#define _STDLIB_H 1
-
-#if (defined __USE_XOPEN || defined __USE_XOPEN2K8) && !defined _SYS_WAIT_H
-/* XPG requires a few symbols from <sys/wait.h> being defined. */
-# include <bits/waitflags.h>
-# include <bits/waitstatus.h>
-
-/* Define the macros <sys/wait.h> also would define this way. */
-# define WEXITSTATUS(status) __WEXITSTATUS (status)
-# define WTERMSIG(status) __WTERMSIG (status)
-# define WSTOPSIG(status) __WSTOPSIG (status)
-# define WIFEXITED(status) __WIFEXITED (status)
-# define WIFSIGNALED(status) __WIFSIGNALED (status)
-# define WIFSTOPPED(status) __WIFSTOPPED (status)
-# ifdef __WIFCONTINUED
-# define WIFCONTINUED(status) __WIFCONTINUED (status)
-# endif
-#endif /* X/Open or XPG7 and <sys/wait.h> not included. */
-
-/* _FloatN API tests for enablement. */
-#include <bits/floatn.h>
-
-/* Returned by `div'. */
-typedef struct
- {
- int quot; /* Quotient. */
- int rem; /* Remainder. */
- } div_t;
-
-/* Returned by `ldiv'. */
-#ifndef __ldiv_t_defined
-typedef struct
- {
- long int quot; /* Quotient. */
- long int rem; /* Remainder. */
- } ldiv_t;
-# define __ldiv_t_defined 1
-#endif
-
-#if defined __USE_ISOC99 && !defined __lldiv_t_defined
-/* Returned by `lldiv'. */
-__extension__ typedef struct
- {
- long long int quot; /* Quotient. */
- long long int rem; /* Remainder. */
- } lldiv_t;
-# define __lldiv_t_defined 1
-#endif
-
-
-/* The largest number rand will return (same as INT_MAX). */
-#define RAND_MAX 2147483647
-
-
-/* We define these the same for all machines.
- Changes from this to the outside world should be done in `_exit'. */
-#define EXIT_FAILURE 1 /* Failing exit status. */
-#define EXIT_SUCCESS 0 /* Successful exit status. */
-
-
-/* Maximum length of a multibyte character in the current locale. */
-#define MB_CUR_MAX (__ctype_get_mb_cur_max ())
-extern size_t __ctype_get_mb_cur_max (void) __THROW __wur;
-
-
-/* Convert a string to a floating-point number. */
-extern double atof (const char *__nptr)
- __THROW __attribute_pure__ __nonnull ((1)) __wur;
-/* Convert a string to an integer. */
-extern int atoi (const char *__nptr)
- __THROW __attribute_pure__ __nonnull ((1)) __wur;
-/* Convert a string to a long integer. */
-extern long int atol (const char *__nptr)
- __THROW __attribute_pure__ __nonnull ((1)) __wur;
-
-#ifdef __USE_ISOC99
-/* Convert a string to a long long integer. */
-__extension__ extern long long int atoll (const char *__nptr)
- __THROW __attribute_pure__ __nonnull ((1)) __wur;
-#endif
-
-/* Convert a string to a floating-point number. */
-extern double strtod (const char *__restrict __nptr,
- char **__restrict __endptr)
- __THROW __nonnull ((1));
-
-#ifdef __USE_ISOC99
-/* Likewise for `float' and `long double' sizes of floating-point numbers. */
-extern float strtof (const char *__restrict __nptr,
- char **__restrict __endptr) __THROW __nonnull ((1));
-
-extern long double strtold (const char *__restrict __nptr,
- char **__restrict __endptr)
- __THROW __nonnull ((1));
-#endif
-
-/* Convert a string to a long integer. */
-extern long int strtol (const char *__restrict __nptr,
- char **__restrict __endptr, int __base)
- __THROW __nonnull ((1));
-/* Convert a string to an unsigned long integer. */
-extern unsigned long int strtoul (const char *__restrict __nptr,
- char **__restrict __endptr, int __base)
- __THROW __nonnull ((1));
-
-#ifdef __USE_MISC
-/* Convert a string to a quadword integer. */
-__extension__
-extern long long int strtoq (const char *__restrict __nptr,
- char **__restrict __endptr, int __base)
- __THROW __nonnull ((1));
-/* Convert a string to an unsigned quadword integer. */
-__extension__
-extern unsigned long long int strtouq (const char *__restrict __nptr,
- char **__restrict __endptr, int __base)
- __THROW __nonnull ((1));
-#endif /* Use misc. */
-
-#ifdef __USE_ISOC99
-/* Convert a string to a quadword integer. */
-__extension__
-extern long long int strtoll (const char *__restrict __nptr,
- char **__restrict __endptr, int __base)
- __THROW __nonnull ((1));
-/* Convert a string to an unsigned quadword integer. */
-__extension__
-extern unsigned long long int strtoull (const char *__restrict __nptr,
- char **__restrict __endptr, int __base)
- __THROW __nonnull ((1));
-#endif /* ISO C99 or use MISC. */
-
-/* Convert a floating-point number to a string. */
-#if __GLIBC_USE (IEC_60559_BFP_EXT)
-extern int strfromd (char *__dest, size_t __size, const char *__format,
- double __f)
- __THROW __nonnull ((3));
-
-extern int strfromf (char *__dest, size_t __size, const char *__format,
- float __f)
- __THROW __nonnull ((3));
-
-extern int strfroml (char *__dest, size_t __size, const char *__format,
- long double __f)
- __THROW __nonnull ((3));
-#endif
-
-#if __HAVE_FLOAT128 && __GLIBC_USE (IEC_60559_TYPES_EXT)
-extern int strfromf128 (char *__dest, size_t __size, const char * __format,
- _Float128 __f)
- __THROW __nonnull ((3));
-#endif
-
-
-#ifdef __USE_GNU
-/* The concept of one static locale per category is not very well
- thought out. Many applications will need to process its data using
- information from several different locales. Another problem is
- the implementation of the internationalization handling in the
- ISO C++ standard library. To support this another set of
- the functions using locale data exist which take an additional
- argument.
-
- Attention: even though several *_l interfaces are part of POSIX:2008,
- these are not. */
-
-/* Structure for reentrant locale using functions. This is an
- (almost) opaque type for the user level programs. */
-# include <xlocale.h>
-
-/* Special versions of the functions above which take the locale to
- use as an additional parameter. */
-extern long int strtol_l (const char *__restrict __nptr,
- char **__restrict __endptr, int __base,
- __locale_t __loc) __THROW __nonnull ((1, 4));
-
-extern unsigned long int strtoul_l (const char *__restrict __nptr,
- char **__restrict __endptr,
- int __base, __locale_t __loc)
- __THROW __nonnull ((1, 4));
-
-__extension__
-extern long long int strtoll_l (const char *__restrict __nptr,
- char **__restrict __endptr, int __base,
- __locale_t __loc)
- __THROW __nonnull ((1, 4));
-
-__extension__
-extern unsigned long long int strtoull_l (const char *__restrict __nptr,
- char **__restrict __endptr,
- int __base, __locale_t __loc)
- __THROW __nonnull ((1, 4));
-
-extern double strtod_l (const char *__restrict __nptr,
- char **__restrict __endptr, __locale_t __loc)
- __THROW __nonnull ((1, 3));
-
-extern float strtof_l (const char *__restrict __nptr,
- char **__restrict __endptr, __locale_t __loc)
- __THROW __nonnull ((1, 3));
-
-extern long double strtold_l (const char *__restrict __nptr,
- char **__restrict __endptr,
- __locale_t __loc)
- __THROW __nonnull ((1, 3));
-#endif /* GNU */
-
-
-#ifdef __USE_EXTERN_INLINES
-__extern_inline int
-__NTH (atoi (const char *__nptr))
-{
- return (int) strtol (__nptr, (char **) NULL, 10);
-}
-__extern_inline long int
-__NTH (atol (const char *__nptr))
-{
- return strtol (__nptr, (char **) NULL, 10);
-}
-
-# ifdef __USE_ISOC99
-__extension__ __extern_inline long long int
-__NTH (atoll (const char *__nptr))
-{
- return strtoll (__nptr, (char **) NULL, 10);
-}
-# endif
-#endif /* Optimizing and Inlining. */
-
-
-#if defined __USE_MISC || defined __USE_XOPEN_EXTENDED
-/* Convert N to base 64 using the digits "./0-9A-Za-z", least-significant
- digit first. Returns a pointer to static storage overwritten by the
- next call. */
-extern char *l64a (long int __n) __THROW __wur;
-
-/* Read a number from a string S in base 64 as above. */
-extern long int a64l (const char *__s)
- __THROW __attribute_pure__ __nonnull ((1)) __wur;
-
-#endif /* Use misc || extended X/Open. */
-
-#if defined __USE_MISC || defined __USE_XOPEN_EXTENDED
-# include <sys/types.h> /* we need int32_t... */
-
-/* These are the functions that actually do things. The `random', `srandom',
- `initstate' and `setstate' functions are those from BSD Unices.
- The `rand' and `srand' functions are required by the ANSI standard.
- We provide both interfaces to the same random number generator. */
-/* Return a random long integer between 0 and RAND_MAX inclusive. */
-extern long int random (void) __THROW;
-
-/* Seed the random number generator with the given number. */
-extern void srandom (unsigned int __seed) __THROW;
-
-/* Initialize the random number generator to use state buffer STATEBUF,
- of length STATELEN, and seed it with SEED. Optimal lengths are 8, 16,
- 32, 64, 128 and 256, the bigger the better; values less than 8 will
- cause an error and values greater than 256 will be rounded down. */
-extern char *initstate (unsigned int __seed, char *__statebuf,
- size_t __statelen) __THROW __nonnull ((2));
-
-/* Switch the random number generator to state buffer STATEBUF,
- which should have been previously initialized by `initstate'. */
-extern char *setstate (char *__statebuf) __THROW __nonnull ((1));
-
-
-# ifdef __USE_MISC
-/* Reentrant versions of the `random' family of functions.
- These functions all use the following data structure to contain
- state, rather than global state variables. */
-
-struct random_data
- {
- int32_t *fptr; /* Front pointer. */
- int32_t *rptr; /* Rear pointer. */
- int32_t *state; /* Array of state values. */
- int rand_type; /* Type of random number generator. */
- int rand_deg; /* Degree of random number generator. */
- int rand_sep; /* Distance between front and rear. */
- int32_t *end_ptr; /* Pointer behind state table. */
- };
-
-extern int random_r (struct random_data *__restrict __buf,
- int32_t *__restrict __result) __THROW __nonnull ((1, 2));
-
-extern int srandom_r (unsigned int __seed, struct random_data *__buf)
- __THROW __nonnull ((2));
-
-extern int initstate_r (unsigned int __seed, char *__restrict __statebuf,
- size_t __statelen,
- struct random_data *__restrict __buf)
- __THROW __nonnull ((2, 4));
-
-extern int setstate_r (char *__restrict __statebuf,
- struct random_data *__restrict __buf)
- __THROW __nonnull ((1, 2));
-# endif /* Use misc. */
-#endif /* Use extended X/Open || misc. */
-
-
-/* Return a random integer between 0 and RAND_MAX inclusive. */
-extern int rand (void) __THROW;
-/* Seed the random number generator with the given number. */
-extern void srand (unsigned int __seed) __THROW;
-
-#ifdef __USE_POSIX199506
-/* Reentrant interface according to POSIX.1. */
-extern int rand_r (unsigned int *__seed) __THROW;
-#endif
-
-
-#if defined __USE_MISC || defined __USE_XOPEN
-/* System V style 48-bit random number generator functions. */
-
-/* Return non-negative, double-precision floating-point value in [0.0,1.0). */
-extern double drand48 (void) __THROW;
-extern double erand48 (unsigned short int __xsubi[3]) __THROW __nonnull ((1));
-
-/* Return non-negative, long integer in [0,2^31). */
-extern long int lrand48 (void) __THROW;
-extern long int nrand48 (unsigned short int __xsubi[3])
- __THROW __nonnull ((1));
-
-/* Return signed, long integers in [-2^31,2^31). */
-extern long int mrand48 (void) __THROW;
-extern long int jrand48 (unsigned short int __xsubi[3])
- __THROW __nonnull ((1));
-
-/* Seed random number generator. */
-extern void srand48 (long int __seedval) __THROW;
-extern unsigned short int *seed48 (unsigned short int __seed16v[3])
- __THROW __nonnull ((1));
-extern void lcong48 (unsigned short int __param[7]) __THROW __nonnull ((1));
-
-# ifdef __USE_MISC
-/* Data structure for communication with thread safe versions. This
- type is to be regarded as opaque. It's only exported because users
- have to allocate objects of this type. */
-struct drand48_data
- {
- unsigned short int __x[3]; /* Current state. */
- unsigned short int __old_x[3]; /* Old state. */
- unsigned short int __c; /* Additive const. in congruential formula. */
- unsigned short int __init; /* Flag for initializing. */
- __extension__ unsigned long long int __a; /* Factor in congruential
- formula. */
- };
-
-/* Return non-negative, double-precision floating-point value in [0.0,1.0). */
-extern int drand48_r (struct drand48_data *__restrict __buffer,
- double *__restrict __result) __THROW __nonnull ((1, 2));
-extern int erand48_r (unsigned short int __xsubi[3],
- struct drand48_data *__restrict __buffer,
- double *__restrict __result) __THROW __nonnull ((1, 2));
-
-/* Return non-negative, long integer in [0,2^31). */
-extern int lrand48_r (struct drand48_data *__restrict __buffer,
- long int *__restrict __result)
- __THROW __nonnull ((1, 2));
-extern int nrand48_r (unsigned short int __xsubi[3],
- struct drand48_data *__restrict __buffer,
- long int *__restrict __result)
- __THROW __nonnull ((1, 2));
-
-/* Return signed, long integers in [-2^31,2^31). */
-extern int mrand48_r (struct drand48_data *__restrict __buffer,
- long int *__restrict __result)
- __THROW __nonnull ((1, 2));
-extern int jrand48_r (unsigned short int __xsubi[3],
- struct drand48_data *__restrict __buffer,
- long int *__restrict __result)
- __THROW __nonnull ((1, 2));
-
-/* Seed random number generator. */
-extern int srand48_r (long int __seedval, struct drand48_data *__buffer)
- __THROW __nonnull ((2));
-
-extern int seed48_r (unsigned short int __seed16v[3],
- struct drand48_data *__buffer) __THROW __nonnull ((1, 2));
-
-extern int lcong48_r (unsigned short int __param[7],
- struct drand48_data *__buffer)
- __THROW __nonnull ((1, 2));
-# endif /* Use misc. */
-#endif /* Use misc or X/Open. */
-
-/* Allocate SIZE bytes of memory. */
-extern void *malloc (size_t __size) __THROW __attribute_malloc__ __wur;
-/* Allocate NMEMB elements of SIZE bytes each, all initialized to 0. */
-extern void *calloc (size_t __nmemb, size_t __size)
- __THROW __attribute_malloc__ __wur;
-
-/* Re-allocate the previously allocated block
- in PTR, making the new block SIZE bytes long. */
-/* __attribute_malloc__ is not used, because if realloc returns
- the same pointer that was passed to it, aliasing needs to be allowed
- between objects pointed by the old and new pointers. */
-extern void *realloc (void *__ptr, size_t __size)
- __THROW __attribute_warn_unused_result__;
-
-#ifdef __USE_GNU
-/* Re-allocate the previously allocated block in PTR, making the new
- block large enough for NMEMB elements of SIZE bytes each. */
-/* __attribute_malloc__ is not used, because if reallocarray returns
- the same pointer that was passed to it, aliasing needs to be allowed
- between objects pointed by the old and new pointers. */
-extern void *reallocarray (void *__ptr, size_t __nmemb, size_t __size)
- __THROW __attribute_warn_unused_result__;
-#endif
-
-/* Free a block allocated by `malloc', `realloc' or `calloc'. */
-extern void free (void *__ptr) __THROW;
-
-#ifdef __USE_MISC
-# include <alloca.h>
-#endif /* Use misc. */
-
-#if (defined __USE_XOPEN_EXTENDED && !defined __USE_XOPEN2K) \
- || defined __USE_MISC
-/* Allocate SIZE bytes on a page boundary. The storage cannot be freed. */
-extern void *valloc (size_t __size) __THROW __attribute_malloc__ __wur;
-#endif
-
-#ifdef __USE_XOPEN2K
-/* Allocate memory of SIZE bytes with an alignment of ALIGNMENT. */
-extern int posix_memalign (void **__memptr, size_t __alignment, size_t __size)
- __THROW __nonnull ((1)) __wur;
-#endif
-
-#ifdef __USE_ISOC11
-/* ISO C variant of aligned allocation. */
-extern void *aligned_alloc (size_t __alignment, size_t __size)
- __THROW __attribute_malloc__ __attribute_alloc_size__ ((2)) __wur;
-#endif
-
-/* Abort execution and generate a core-dump. */
-extern void abort (void) __THROW __attribute__ ((__noreturn__));
-
-
-/* Register a function to be called when `exit' is called. */
-extern int atexit (void (*__func) (void)) __THROW __nonnull ((1));
-
-#if defined __USE_ISOC11 || defined __USE_ISOCXX11
-/* Register a function to be called when `quick_exit' is called. */
-# ifdef __cplusplus
-extern "C++" int at_quick_exit (void (*__func) (void))
- __THROW __asm ("at_quick_exit") __nonnull ((1));
-# else
-extern int at_quick_exit (void (*__func) (void)) __THROW __nonnull ((1));
-# endif
-#endif
-
-#ifdef __USE_MISC
-/* Register a function to be called with the status
- given to `exit' and the given argument. */
-extern int on_exit (void (*__func) (int __status, void *__arg), void *__arg)
- __THROW __nonnull ((1));
-#endif
-
-/* Call all functions registered with `atexit' and `on_exit',
- in the reverse of the order in which they were registered,
- perform stdio cleanup, and terminate program execution with STATUS. */
-extern void exit (int __status) __THROW __attribute__ ((__noreturn__));
-
-#if defined __USE_ISOC11 || defined __USE_ISOCXX11
-/* Call all functions registered with `at_quick_exit' in the reverse
- of the order in which they were registered and terminate program
- execution with STATUS. */
-extern void quick_exit (int __status) __THROW __attribute__ ((__noreturn__));
-#endif
-
-#ifdef __USE_ISOC99
-/* Terminate the program with STATUS without calling any of the
- functions registered with `atexit' or `on_exit'. */
-extern void _Exit (int __status) __THROW __attribute__ ((__noreturn__));
-#endif
-
-
-/* Return the value of envariable NAME, or NULL if it doesn't exist. */
-extern char *getenv (const char *__name) __THROW __nonnull ((1)) __wur;
-
-#ifdef __USE_GNU
-/* This function is similar to the above but returns NULL if the
- programs is running with SUID or SGID enabled. */
-extern char *secure_getenv (const char *__name)
- __THROW __nonnull ((1)) __wur;
-#endif
-
-#if defined __USE_MISC || defined __USE_XOPEN
-/* The SVID says this is in <stdio.h>, but this seems a better place. */
-/* Put STRING, which is of the form "NAME=VALUE", in the environment.
- If there is no `=', remove NAME from the environment. */
-extern int putenv (char *__string) __THROW __nonnull ((1));
-#endif
-
-#ifdef __USE_XOPEN2K
-/* Set NAME to VALUE in the environment.
- If REPLACE is nonzero, overwrite an existing value. */
-extern int setenv (const char *__name, const char *__value, int __replace)
- __THROW __nonnull ((2));
-
-/* Remove the variable NAME from the environment. */
-extern int unsetenv (const char *__name) __THROW __nonnull ((1));
-#endif
-
-#ifdef __USE_MISC
-/* The `clearenv' was planned to be added to POSIX.1 but probably
- never made it. Nevertheless the POSIX.9 standard (POSIX bindings
- for Fortran 77) requires this function. */
-extern int clearenv (void) __THROW;
-#endif
-
-
-#if defined __USE_MISC \
- || (defined __USE_XOPEN_EXTENDED && !defined __USE_XOPEN2K8)
-/* Generate a unique temporary file name from TEMPLATE.
- The last six characters of TEMPLATE must be "XXXXXX";
- they are replaced with a string that makes the file name unique.
- Always returns TEMPLATE, it's either a temporary file name or a null
- string if it cannot get a unique file name. */
-extern char *mktemp (char *__template) __THROW __nonnull ((1));
-#endif
-
-#if defined __USE_XOPEN_EXTENDED || defined __USE_XOPEN2K8
-/* Generate a unique temporary file name from TEMPLATE.
- The last six characters of TEMPLATE must be "XXXXXX";
- they are replaced with a string that makes the filename unique.
- Returns a file descriptor open on the file for reading and writing,
- or -1 if it cannot create a uniquely-named file.
-
- This function is a possible cancellation point and therefore not
- marked with __THROW. */
-# ifndef __USE_FILE_OFFSET64
-extern int mkstemp (char *__template) __nonnull ((1)) __wur;
-# else
-# ifdef __REDIRECT
-extern int __REDIRECT (mkstemp, (char *__template), mkstemp64)
- __nonnull ((1)) __wur;
-# else
-# define mkstemp mkstemp64
-# endif
-# endif
-# ifdef __USE_LARGEFILE64
-extern int mkstemp64 (char *__template) __nonnull ((1)) __wur;
-# endif
-#endif
-
-#ifdef __USE_MISC
-/* Similar to mkstemp, but the template can have a suffix after the
- XXXXXX. The length of the suffix is specified in the second
- parameter.
-
- This function is a possible cancellation point and therefore not
- marked with __THROW. */
-# ifndef __USE_FILE_OFFSET64
-extern int mkstemps (char *__template, int __suffixlen) __nonnull ((1)) __wur;
-# else
-# ifdef __REDIRECT
-extern int __REDIRECT (mkstemps, (char *__template, int __suffixlen),
- mkstemps64) __nonnull ((1)) __wur;
-# else
-# define mkstemps mkstemps64
-# endif
-# endif
-# ifdef __USE_LARGEFILE64
-extern int mkstemps64 (char *__template, int __suffixlen)
- __nonnull ((1)) __wur;
-# endif
-#endif
-
-#ifdef __USE_XOPEN2K8
-/* Create a unique temporary directory from TEMPLATE.
- The last six characters of TEMPLATE must be "XXXXXX";
- they are replaced with a string that makes the directory name unique.
- Returns TEMPLATE, or a null pointer if it cannot get a unique name.
- The directory is created mode 700. */
-extern char *mkdtemp (char *__template) __THROW __nonnull ((1)) __wur;
-#endif
-
-#ifdef __USE_GNU
-/* Generate a unique temporary file name from TEMPLATE similar to
- mkstemp. But allow the caller to pass additional flags which are
- used in the open call to create the file..
-
- This function is a possible cancellation point and therefore not
- marked with __THROW. */
-# ifndef __USE_FILE_OFFSET64
-extern int mkostemp (char *__template, int __flags) __nonnull ((1)) __wur;
-# else
-# ifdef __REDIRECT
-extern int __REDIRECT (mkostemp, (char *__template, int __flags), mkostemp64)
- __nonnull ((1)) __wur;
-# else
-# define mkostemp mkostemp64
-# endif
-# endif
-# ifdef __USE_LARGEFILE64
-extern int mkostemp64 (char *__template, int __flags) __nonnull ((1)) __wur;
-# endif
-
-/* Similar to mkostemp, but the template can have a suffix after the
- XXXXXX. The length of the suffix is specified in the second
- parameter.
-
- This function is a possible cancellation point and therefore not
- marked with __THROW. */
-# ifndef __USE_FILE_OFFSET64
-extern int mkostemps (char *__template, int __suffixlen, int __flags)
- __nonnull ((1)) __wur;
-# else
-# ifdef __REDIRECT
-extern int __REDIRECT (mkostemps, (char *__template, int __suffixlen,
- int __flags), mkostemps64)
- __nonnull ((1)) __wur;
-# else
-# define mkostemps mkostemps64
-# endif
-# endif
-# ifdef __USE_LARGEFILE64
-extern int mkostemps64 (char *__template, int __suffixlen, int __flags)
- __nonnull ((1)) __wur;
-# endif
-#endif
-
-
-/* Execute the given line as a shell command.
-
- This function is a cancellation point and therefore not marked with
- __THROW. */
-extern int system (const char *__command) __wur;
-
-
-#ifdef __USE_GNU
-/* Return a malloc'd string containing the canonical absolute name of the
- existing named file. */
-extern char *canonicalize_file_name (const char *__name)
- __THROW __nonnull ((1)) __wur;
-#endif
-
-#if defined __USE_MISC || defined __USE_XOPEN_EXTENDED
-/* Return the canonical absolute name of file NAME. If RESOLVED is
- null, the result is malloc'd; otherwise, if the canonical name is
- PATH_MAX chars or more, returns null with `errno' set to
- ENAMETOOLONG; if the name fits in fewer than PATH_MAX chars,
- returns the name in RESOLVED. */
-extern char *realpath (const char *__restrict __name,
- char *__restrict __resolved) __THROW __wur;
-#endif
-
-
-/* Shorthand for type of comparison functions. */
-#ifndef __COMPAR_FN_T
-# define __COMPAR_FN_T
-typedef int (*__compar_fn_t) (const void *, const void *);
-
-# ifdef __USE_GNU
-typedef __compar_fn_t comparison_fn_t;
-# endif
-#endif
-#ifdef __USE_GNU
-typedef int (*__compar_d_fn_t) (const void *, const void *, void *);
-#endif
-
-/* Do a binary search for KEY in BASE, which consists of NMEMB elements
- of SIZE bytes each, using COMPAR to perform the comparisons. */
-extern void *bsearch (const void *__key, const void *__base,
- size_t __nmemb, size_t __size, __compar_fn_t __compar)
- __nonnull ((1, 2, 5)) __wur;
-
-#ifdef __USE_EXTERN_INLINES
-# include <bits/stdlib-bsearch.h>
-#endif
-
-/* Sort NMEMB elements of BASE, of SIZE bytes each,
- using COMPAR to perform the comparisons. */
-extern void qsort (void *__base, size_t __nmemb, size_t __size,
- __compar_fn_t __compar) __nonnull ((1, 4));
-#ifdef __USE_GNU
-extern void qsort_r (void *__base, size_t __nmemb, size_t __size,
- __compar_d_fn_t __compar, void *__arg)
- __nonnull ((1, 4));
-#endif
-
-
-/* Return the absolute value of X. */
-extern int abs (int __x) __THROW __attribute__ ((__const__)) __wur;
-extern long int labs (long int __x) __THROW __attribute__ ((__const__)) __wur;
-
-#ifdef __USE_ISOC99
-__extension__ extern long long int llabs (long long int __x)
- __THROW __attribute__ ((__const__)) __wur;
-#endif
-
-
-/* Return the `div_t', `ldiv_t' or `lldiv_t' representation
- of the value of NUMER over DENOM. */
-/* GCC may have built-ins for these someday. */
-extern div_t div (int __numer, int __denom)
- __THROW __attribute__ ((__const__)) __wur;
-extern ldiv_t ldiv (long int __numer, long int __denom)
- __THROW __attribute__ ((__const__)) __wur;
-
-#ifdef __USE_ISOC99
-__extension__ extern lldiv_t lldiv (long long int __numer,
- long long int __denom)
- __THROW __attribute__ ((__const__)) __wur;
-#endif
-
-
-#if (defined __USE_XOPEN_EXTENDED && !defined __USE_XOPEN2K8) \
- || defined __USE_MISC
-/* Convert floating point numbers to strings. The returned values are
- valid only until another call to the same function. */
-
-/* Convert VALUE to a string with NDIGIT digits and return a pointer to
- this. Set *DECPT with the position of the decimal character and *SIGN
- with the sign of the number. */
-extern char *ecvt (double __value, int __ndigit, int *__restrict __decpt,
- int *__restrict __sign) __THROW __nonnull ((3, 4)) __wur;
-
-/* Convert VALUE to a string rounded to NDIGIT decimal digits. Set *DECPT
- with the position of the decimal character and *SIGN with the sign of
- the number. */
-extern char *fcvt (double __value, int __ndigit, int *__restrict __decpt,
- int *__restrict __sign) __THROW __nonnull ((3, 4)) __wur;
-
-/* If possible convert VALUE to a string with NDIGIT significant digits.
- Otherwise use exponential representation. The resulting string will
- be written to BUF. */
-extern char *gcvt (double __value, int __ndigit, char *__buf)
- __THROW __nonnull ((3)) __wur;
-#endif
-
-#ifdef __USE_MISC
-/* Long double versions of above functions. */
-extern char *qecvt (long double __value, int __ndigit,
- int *__restrict __decpt, int *__restrict __sign)
- __THROW __nonnull ((3, 4)) __wur;
-extern char *qfcvt (long double __value, int __ndigit,
- int *__restrict __decpt, int *__restrict __sign)
- __THROW __nonnull ((3, 4)) __wur;
-extern char *qgcvt (long double __value, int __ndigit, char *__buf)
- __THROW __nonnull ((3)) __wur;
-
-
-/* Reentrant version of the functions above which provide their own
- buffers. */
-extern int ecvt_r (double __value, int __ndigit, int *__restrict __decpt,
- int *__restrict __sign, char *__restrict __buf,
- size_t __len) __THROW __nonnull ((3, 4, 5));
-extern int fcvt_r (double __value, int __ndigit, int *__restrict __decpt,
- int *__restrict __sign, char *__restrict __buf,
- size_t __len) __THROW __nonnull ((3, 4, 5));
-
-extern int qecvt_r (long double __value, int __ndigit,
- int *__restrict __decpt, int *__restrict __sign,
- char *__restrict __buf, size_t __len)
- __THROW __nonnull ((3, 4, 5));
-extern int qfcvt_r (long double __value, int __ndigit,
- int *__restrict __decpt, int *__restrict __sign,
- char *__restrict __buf, size_t __len)
- __THROW __nonnull ((3, 4, 5));
-#endif /* misc */
-
-
-/* Return the length of the multibyte character
- in S, which is no longer than N. */
-extern int mblen (const char *__s, size_t __n) __THROW;
-/* Return the length of the given multibyte character,
- putting its `wchar_t' representation in *PWC. */
-extern int mbtowc (wchar_t *__restrict __pwc,
- const char *__restrict __s, size_t __n) __THROW;
-/* Put the multibyte character represented
- by WCHAR in S, returning its length. */
-extern int wctomb (char *__s, wchar_t __wchar) __THROW;
-
-
-/* Convert a multibyte string to a wide char string. */
-extern size_t mbstowcs (wchar_t *__restrict __pwcs,
- const char *__restrict __s, size_t __n) __THROW;
-/* Convert a wide char string to multibyte string. */
-extern size_t wcstombs (char *__restrict __s,
- const wchar_t *__restrict __pwcs, size_t __n)
- __THROW;
-
-
-#ifdef __USE_MISC
-/* Determine whether the string value of RESPONSE matches the affirmation
- or negative response expression as specified by the LC_MESSAGES category
- in the program's current locale. Returns 1 if affirmative, 0 if
- negative, and -1 if not matching. */
-extern int rpmatch (const char *__response) __THROW __nonnull ((1)) __wur;
-#endif
-
-
-#if defined __USE_XOPEN_EXTENDED || defined __USE_XOPEN2K8
-/* Parse comma separated suboption from *OPTIONP and match against
- strings in TOKENS. If found return index and set *VALUEP to
- optional value introduced by an equal sign. If the suboption is
- not part of TOKENS return in *VALUEP beginning of unknown
- suboption. On exit *OPTIONP is set to the beginning of the next
- token or at the terminating NUL character. */
-extern int getsubopt (char **__restrict __optionp,
- char *const *__restrict __tokens,
- char **__restrict __valuep)
- __THROW __nonnull ((1, 2, 3)) __wur;
-#endif
-
-
-#ifdef __USE_XOPEN
-/* Setup DES tables according KEY. */
-extern void setkey (const char *__key) __THROW __nonnull ((1));
-#endif
-
-
-/* X/Open pseudo terminal handling. */
-
-#ifdef __USE_XOPEN2KXSI
-/* Return a master pseudo-terminal handle. */
-extern int posix_openpt (int __oflag) __wur;
-#endif
-
-#ifdef __USE_XOPEN_EXTENDED
-/* The next four functions all take a master pseudo-tty fd and
- perform an operation on the associated slave: */
-
-/* Chown the slave to the calling user. */
-extern int grantpt (int __fd) __THROW;
-
-/* Release an internal lock so the slave can be opened.
- Call after grantpt(). */
-extern int unlockpt (int __fd) __THROW;
-
-/* Return the pathname of the pseudo terminal slave associated with
- the master FD is open on, or NULL on errors.
- The returned storage is good until the next call to this function. */
-extern char *ptsname (int __fd) __THROW __wur;
-#endif
-
-#ifdef __USE_GNU
-/* Store at most BUFLEN characters of the pathname of the slave pseudo
- terminal associated with the master FD is open on in BUF.
- Return 0 on success, otherwise an error number. */
-extern int ptsname_r (int __fd, char *__buf, size_t __buflen)
- __THROW __nonnull ((2));
-
-/* Open a master pseudo terminal and return its file descriptor. */
-extern int getpt (void);
-#endif
-
-#ifdef __USE_MISC
-/* Put the 1 minute, 5 minute and 15 minute load averages into the first
- NELEM elements of LOADAVG. Return the number written (never more than
- three, but may be less than NELEM), or -1 if an error occurred. */
-extern int getloadavg (double __loadavg[], int __nelem)
- __THROW __nonnull ((1));
-#endif
-
-#if defined __USE_XOPEN_EXTENDED && !defined __USE_XOPEN2K
-/* Return the index into the active-logins file (utmp) for
- the controlling terminal. */
-extern int ttyslot (void) __THROW;
-#endif
-
-#include <bits/stdlib-float.h>
-
-/* Define some macros helping to catch buffer overflows. */
-#if __USE_FORTIFY_LEVEL > 0 && defined __fortify_function
-# include <bits/stdlib.h>
-#endif
-#ifdef __LDBL_COMPAT
-# include <bits/stdlib-ldbl.h>
-#endif
-
-__END_DECLS
-
-#endif /* stdlib.h */