libc/include/stdlib.h - android_bionic - Gitiles

 /*
  * Copyright (C) 2008 The Android Open Source Project
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *  * Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  *  * Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in
  *    the documentation and/or other materials provided with the
  *    distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
  * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  */

 #ifndef _STDLIB_H
 #define _STDLIB_H

 #include <sys/cdefs.h>

 #include <alloca.h>
 #include <bits/wait.h>
 #include <malloc.h>
 #include <stddef.h>
 #include <xlocale.h>

 __BEGIN_DECLS

 #define EXIT_FAILURE 1
 #define EXIT_SUCCESS 0

 __noreturn void abort(void) __attribute__((__nomerge__));
 __noreturn void exit(int __status);
 __noreturn void _Exit(int __status);

 int atexit(void (* _Nonnull __fn)(void));

 int at_quick_exit(void (* _Nonnull __fn)(void));
 void quick_exit(int __status) __noreturn;

 char* _Nullable getenv(const char* _Nonnull __name);
 int putenv(char* _Nonnull __assignment);
 int setenv(const char* _Nonnull __name, const char* _Nonnull __value, int __overwrite);
 int unsetenv(const char* _Nonnull __name);
 int clearenv(void);

 char* _Nullable mkdtemp(char* _Nonnull __template);
 char* _Nullable mktemp(char* _Nonnull __template) __attribute__((__deprecated__("mktemp is unsafe, use mkstemp or tmpfile instead")));


 #if __BIONIC_AVAILABILITY_GUARD(23)
 int mkostemp64(char* _Nonnull __template, int __flags) __INTRODUCED_IN(23);
 int mkostemp(char* _Nonnull __template, int __flags) __INTRODUCED_IN(23);
 int mkostemps64(char* _Nonnull __template, int __suffix_length, int __flags) __INTRODUCED_IN(23);
 int mkostemps(char* _Nonnull __template, int __suffix_length, int __flags) __INTRODUCED_IN(23);
 #endif /* __BIONIC_AVAILABILITY_GUARD(23) */

 int mkstemp64(char* _Nonnull __template);
 int mkstemp(char* _Nonnull __template);

 #if __BIONIC_AVAILABILITY_GUARD(23)
 int mkstemps64(char* _Nonnull __template, int __flags) __INTRODUCED_IN(23);
 #endif /* __BIONIC_AVAILABILITY_GUARD(23) */

 int mkstemps(char* _Nonnull __template, int __flags);

 int posix_memalign(void* _Nullable * _Nullable __memptr, size_t __alignment, size_t __size);

 /**
  * [aligned_alloc(3)](https://man7.org/linux/man-pages/man3/aligned_alloc.3.html)
  * allocates the given number of bytes with the given alignment.
  *
  * Returns a pointer to the allocated memory on success and returns a null
  * pointer and sets `errno` on failure.
  *
  * Available since API level 28.
  */

 #if __BIONIC_AVAILABILITY_GUARD(28)
 __nodiscard void* _Nullable aligned_alloc(size_t __alignment, size_t __size) __INTRODUCED_IN(28);
 #endif /* __BIONIC_AVAILABILITY_GUARD(28) */


 __nodiscard char* _Nullable realpath(const char* _Nonnull __path, char* _Nullable __resolved);

 /**
  * [system(3)](https://man7.org/linux/man-pages/man3/system.3.html) executes
  * the given command in a new shell process.
  *
  * On Android, the special case of `system(NULL)` always returns 1,
  * as specified by POSIX. Passing `NULL` to determine whether or
  * not a shell is available is not portable. Callers should just try
  * the command they actually want to run, since there are many reasons
  * why it might fail, both temporarily (for lack of resources, say)
  * or permanently (for lack of permission, say).
  *
  * Returns -1 and sets errno if process creation fails; returns a
  * [waitpid(2)](https://man7.org/linux/man-pages/man2/waitpid.2.html)
  * status otherwise.
  */
 int system(const char* _Nonnull __command);

 /**
  * [bsearch(3)](https://man7.org/linux/man-pages/man3/bsearch.3.html) searches
  * a sorted array.
  *
  * Returns a pointer to a matching item on success,
  * or NULL if no matching item is found.
  */
 __nodiscard void* _Nullable bsearch(const void* _Nonnull __key, const void* _Nullable __base, size_t __nmemb, size_t __size, int (* _Nonnull __comparator)(const void* _Nonnull __lhs, const void* _Nonnull __rhs));

 /**
  * [qsort(3)](https://man7.org/linux/man-pages/man3/qsort.3.html) sorts an array
  * of n elements each of the given size, using the given comparator.
  */
 void qsort(void* _Nullable __array, size_t __n, size_t __size, int (* _Nonnull __comparator)(const void* _Nullable __lhs, const void* _Nullable __rhs));

 /**
  * [qsort_r(3)](https://man7.org/linux/man-pages/man3/qsort_r.3.html) sorts an
  * array of n elements each of the given size, using the given comparator,
  * and passing the given context argument to the comparator.
  *
  * Available since API level 36.
  */

 #if __BIONIC_AVAILABILITY_GUARD(36)
 void qsort_r(void* _Nullable __array, size_t __n, size_t __size, int (* _Nonnull __comparator)(const void* _Nullable __lhs, const void* _Nullable __rhs, void* _Nullable __context), void* _Nullable __context) __INTRODUCED_IN(36);
 #endif /* __BIONIC_AVAILABILITY_GUARD(36) */


 uint32_t arc4random(void);
 uint32_t arc4random_uniform(uint32_t __upper_bound);
 void arc4random_buf(void* _Nonnull __buf, size_t __n);

 #define RAND_MAX 0x7fffffff

 int rand_r(unsigned int* _Nonnull __seed_ptr);

 double drand48(void);
 double erand48(unsigned short __xsubi[_Nonnull 3]);
 long jrand48(unsigned short __xsubi[_Nonnull 3]);

 #if __BIONIC_AVAILABILITY_GUARD(23)
 void lcong48(unsigned short __param[_Nonnull 7]) __INTRODUCED_IN(23);
 #endif /* __BIONIC_AVAILABILITY_GUARD(23) */

 long lrand48(void);
 long mrand48(void);
 long nrand48(unsigned short __xsubi[_Nonnull 3]);
 unsigned short* _Nonnull seed48(unsigned short __seed16v[_Nonnull 3]);
 void srand48(long __seed);

 char* _Nullable initstate(unsigned int __seed, char* _Nonnull __state, size_t __n);
 char* _Nullable setstate(char* _Nonnull __state);

 int getpt(void);
 int posix_openpt(int __flags);
 char* _Nullable ptsname(int __fd);
 int ptsname_r(int __fd, char* _Nonnull __buf, size_t __n);
 int unlockpt(int __fd);


 #if __BIONIC_AVAILABILITY_GUARD(26)
 int getsubopt(char* _Nonnull * _Nonnull __option, char* _Nonnull const* _Nonnull __tokens, char* _Nullable * _Nonnull __value_ptr) __INTRODUCED_IN(26);
 #endif /* __BIONIC_AVAILABILITY_GUARD(26) */


 typedef struct {
   int quot;
   int rem;
 } div_t;

 div_t div(int __numerator, int __denominator) __attribute_const__;

 typedef struct {
   long int quot;
   long int rem;
 } ldiv_t;

 ldiv_t ldiv(long __numerator, long __denominator) __attribute_const__;

 typedef struct {
   long long int quot;
   long long int rem;
 } lldiv_t;

 lldiv_t lldiv(long long __numerator, long long __denominator) __attribute_const__;

 /**
  * [getloadavg(3)](https://man7.org/linux/man-pages/man3/getloadavg.3.html) queries the
  * number of runnable processes averaged over time. The Linux kernel supports averages
  * over the last 1, 5, and 15 minutes.
  *
  * Returns the number of samples written to `__averages` (at most 3), and returns -1 on failure.
  */

 #if __BIONIC_AVAILABILITY_GUARD(29)
 int getloadavg(double __averages[_Nonnull], int __n) __INTRODUCED_IN(29);
 #endif /* __BIONIC_AVAILABILITY_GUARD(29) */


 /* BSD compatibility. */
 const char* _Nullable getprogname(void);
 void setprogname(const char* _Nonnull __name);


 #if __BIONIC_AVAILABILITY_GUARD(26)
 int mblen(const char* _Nullable __s, size_t __n) __INTRODUCED_IN(26);
 #endif /* __BIONIC_AVAILABILITY_GUARD(26) */

 size_t mbstowcs(wchar_t* _Nullable __dst, const char* _Nullable __src, size_t __n);
 int mbtowc(wchar_t* _Nullable __wc_ptr, const char*  _Nullable __s, size_t __n);
 int wctomb(char* _Nullable __dst, wchar_t __wc);

 size_t wcstombs(char* _Nullable __dst, const wchar_t* _Nullable __src, size_t __n);

 size_t __ctype_get_mb_cur_max(void);
 #define MB_CUR_MAX __ctype_get_mb_cur_max()

 #if defined(__BIONIC_INCLUDE_FORTIFY_HEADERS)
 #include <bits/fortify/stdlib.h>
 #endif

 int abs(int __x) __attribute_const__;
 long labs(long __x) __attribute_const__;
 long long llabs(long long __x) __attribute_const__;

 int rand(void);
 void srand(unsigned int __seed);
 long random(void);
 void srandom(unsigned int __seed);
 int grantpt(int __fd);

 /**
  * [atof(3)](https://man7.org/linux/man-pages/man3/atof.3.html) converts a
  * string to a double.
  *
  * Returns the double; use strtof() or strtod() if you need to detect errors.
  */
 double atof(const char* _Nonnull __s) __attribute_pure__;

 /**
  * [atoi(3)](https://man7.org/linux/man-pages/man3/atoi.3.html) converts a
  * string to an int.
  *
  * Returns the int or 0 on error; use strtol() if you need to detect errors.
  */
 int atoi(const char* _Nonnull __s) __attribute_pure__;

 /**
  * [atol(3)](https://man7.org/linux/man-pages/man3/atol.3.html) converts a
  * string to a long.
  *
  * Returns the long or 0 on error; use strtol() if you need to detect errors.
  */
 long atol(const char* _Nonnull __s) __attribute_pure__;

 /**
  * [atoll(3)](https://man7.org/linux/man-pages/man3/atoll.3.html) converts a
  * string to a long long.
  *
  * Returns the long long or 0 on error; use strtol() if you need to detect errors.
  */
 long long atoll(const char* _Nonnull __s) __attribute_pure__;

 /**
  * [strtol(3)](https://man7.org/linux/man-pages/man3/strtol.3.html) converts a
  * string to a long.
  *
  * Returns the long.
  * `__end_ptr` is set to the last character in `__s` that was converted.
  * errno is set to ERANGE if the result overflowed or underflowed.
  */
 long strtol(const char* _Nonnull __s, char* _Nullable * _Nullable __end_ptr, int __base);

 /** Equivalent to strtol() on Android. */
 long strtol_l(const char* _Nonnull __s, char* _Nullable * _Nullable __end_ptr, int, locale_t _Nonnull __l) __RENAME(strtol);

 /**
  * [strtoll(3)](https://man7.org/linux/man-pages/man3/strtoll.3.html) converts a
  * string to a long long.
  *
  * Returns the long long.
  * `__end_ptr` is set to the last character in `__s` that was converted.
  * errno is set to ERANGE if the result overflowed or underflowed.
  */
 long long strtoll(const char* _Nonnull __s, char* _Nullable * _Nullable __end_ptr, int __base);

 /** Equivalent to strtoll() on Android. */
 long long strtoll_l(const char* _Nonnull __s, char* _Nullable * _Nullable __end_ptr, int __base, locale_t _Nonnull __l);

 /**
  * [strtoul(3)](https://man7.org/linux/man-pages/man3/strtoul.3.html) converts a
  * string to an unsigned long.
  *
  * Returns the unsigned long.
  * `__end_ptr` is set to the last character in `__s` that was converted.
  * errno is set to ERANGE if the result overflowed or underflowed.
  */
 unsigned long strtoul(const char* _Nonnull __s, char* _Nullable * _Nullable __end_ptr, int __base);

 /** Equivalent to strtoul() on Android. */
 unsigned long strtoul_l(const char* _Nonnull __s, char* _Nullable * _Nullable __end_ptr, int __base, locale_t _Nonnull __l) __RENAME(strtoul);

 /**
  * [strtoull(3)](https://man7.org/linux/man-pages/man3/strtoull.3.html) converts a
  * string to an unsigned long long.
  *
  * Returns the unsigned long long.
  * `__end_ptr` is set to the last character in `__s` that was converted.
  * errno is set to ERANGE if the result overflowed or underflowed.
  */
 unsigned long long strtoull(const char* _Nonnull __s, char* _Nullable * _Nullable __end_ptr, int __base);

 /** Equivalent to strtoull() on Android. */
 unsigned long long strtoull_l(const char* _Nonnull __s, char* _Nullable * _Nullable __end_ptr, int __base, locale_t _Nonnull __l);

 /**
  * [strtof(3)](https://man7.org/linux/man-pages/man3/strtof.3.html) converts a
  * string to a float.
  *
  * Returns the float.
  * `__end_ptr` is set to the last character in `__s` that was converted.
  * errno is set to ERANGE if the result overflowed or underflowed.
  */
 float strtof(const char* _Nonnull __s, char* _Nullable * _Nullable __end_ptr);

 /**
  * [strtod(3)](https://man7.org/linux/man-pages/man3/strtod.3.html) converts a
  * string to a double.
  *
  * Returns the double.
  * `__end_ptr` is set to the last character in `__s` that was converted.
  * errno is set to ERANGE if the result overflowed or underflowed.
  */
 double strtod(const char* _Nonnull __s, char* _Nullable * _Nullable __end_ptr);

 /**
  * [strtold(3)](https://man7.org/linux/man-pages/man3/strtold.3.html) converts a
  * string to a long double.
  *
  * Returns the long double.
  * `__end_ptr` is set to the last character in `__s` that was converted.
  * errno is set to ERANGE if the result overflowed or underflowed.
  */
 long double strtold(const char* _Nonnull __s, char* _Nullable * _Nullable __end_ptr);

 /** Equivalent to strtold() on Android. */
 long double strtold_l(const char* _Nonnull __s, char* _Nullable * _Nullable __end_ptr, locale_t _Nonnull __l);

 #if __ANDROID_API__ >= 26
 /** Equivalent to strtod() on Android. */
 double strtod_l(const char* _Nonnull __s, char* _Nullable * _Nullable __end_ptr, locale_t _Nonnull __l) __INTRODUCED_IN(26);
 /** Equivalent to strtof() on Android. */
 float strtof_l(const char* _Nonnull __s, char* _Nullable * _Nullable __end_ptr, locale_t _Nonnull __l) __INTRODUCED_IN(26);
 #else
 // Implemented as static inlines before 26.
 #endif

 __END_DECLS

 #include <android/legacy_stdlib_inlines.h>

 #endif /* _STDLIB_H */
	/*
	* Copyright (C) 2008 The Android Open Source Project
	* All rights reserved.
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions
	* are met:
	* * Redistributions of source code must retain the above copyright
	* notice, this list of conditions and the following disclaimer.
	* * Redistributions in binary form must reproduce the above copyright
	* notice, this list of conditions and the following disclaimer in
	* the documentation and/or other materials provided with the
	* distribution.
	*
	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
	* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
	* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
	* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
	* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
	* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
	* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
	* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
	* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
	* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	* SUCH DAMAGE.
	*/

	#ifndef _STDLIB_H
	#define _STDLIB_H

	#include <sys/cdefs.h>

	#include <alloca.h>
	#include <bits/wait.h>
	#include <malloc.h>
	#include <stddef.h>
	#include <xlocale.h>

	__BEGIN_DECLS

	#define EXIT_FAILURE 1
	#define EXIT_SUCCESS 0

	__noreturn void abort(void) __attribute__((__nomerge__));
	__noreturn void exit(int __status);
	__noreturn void _Exit(int __status);

	int atexit(void (* _Nonnull __fn)(void));

	int at_quick_exit(void (* _Nonnull __fn)(void));
	void quick_exit(int __status) __noreturn;

	char* _Nullable getenv(const char* _Nonnull __name);
	int putenv(char* _Nonnull __assignment);
	int setenv(const char* _Nonnull __name, const char* _Nonnull __value, int __overwrite);
	int unsetenv(const char* _Nonnull __name);
	int clearenv(void);

	char* _Nullable mkdtemp(char* _Nonnull __template);
	char* _Nullable mktemp(char* _Nonnull __template) __attribute__((__deprecated__("mktemp is unsafe, use mkstemp or tmpfile instead")));


	#if __BIONIC_AVAILABILITY_GUARD(23)
	int mkostemp64(char* _Nonnull __template, int __flags) __INTRODUCED_IN(23);
	int mkostemp(char* _Nonnull __template, int __flags) __INTRODUCED_IN(23);
	int mkostemps64(char* _Nonnull __template, int __suffix_length, int __flags) __INTRODUCED_IN(23);
	int mkostemps(char* _Nonnull __template, int __suffix_length, int __flags) __INTRODUCED_IN(23);
	#endif /* __BIONIC_AVAILABILITY_GUARD(23) */

	int mkstemp64(char* _Nonnull __template);
	int mkstemp(char* _Nonnull __template);

	#if __BIONIC_AVAILABILITY_GUARD(23)
	int mkstemps64(char* _Nonnull __template, int __flags) __INTRODUCED_IN(23);
	#endif /* __BIONIC_AVAILABILITY_GUARD(23) */

	int mkstemps(char* _Nonnull __template, int __flags);

	int posix_memalign(void* _Nullable * _Nullable __memptr, size_t __alignment, size_t __size);

	/**
	* [aligned_alloc(3)](https://man7.org/linux/man-pages/man3/aligned_alloc.3.html)
	* allocates the given number of bytes with the given alignment.
	*
	* Returns a pointer to the allocated memory on success and returns a null
	* pointer and sets `errno` on failure.
	*
	* Available since API level 28.
	*/

	#if __BIONIC_AVAILABILITY_GUARD(28)
	__nodiscard void* _Nullable aligned_alloc(size_t __alignment, size_t __size) __INTRODUCED_IN(28);
	#endif /* __BIONIC_AVAILABILITY_GUARD(28) */


	__nodiscard char* _Nullable realpath(const char* _Nonnull __path, char* _Nullable __resolved);

	/**
	* [system(3)](https://man7.org/linux/man-pages/man3/system.3.html) executes
	* the given command in a new shell process.
	*
	* On Android, the special case of `system(NULL)` always returns 1,
	* as specified by POSIX. Passing `NULL` to determine whether or
	* not a shell is available is not portable. Callers should just try
	* the command they actually want to run, since there are many reasons
	* why it might fail, both temporarily (for lack of resources, say)
	* or permanently (for lack of permission, say).
	*
	* Returns -1 and sets errno if process creation fails; returns a
	* [waitpid(2)](https://man7.org/linux/man-pages/man2/waitpid.2.html)
	* status otherwise.
	*/
	int system(const char* _Nonnull __command);

	/**
	* [bsearch(3)](https://man7.org/linux/man-pages/man3/bsearch.3.html) searches
	* a sorted array.
	*
	* Returns a pointer to a matching item on success,
	* or NULL if no matching item is found.
	*/
	__nodiscard void* _Nullable bsearch(const void* _Nonnull __key, const void* _Nullable __base, size_t __nmemb, size_t __size, int (* _Nonnull __comparator)(const void* _Nonnull __lhs, const void* _Nonnull __rhs));

	/**
	* [qsort(3)](https://man7.org/linux/man-pages/man3/qsort.3.html) sorts an array
	* of n elements each of the given size, using the given comparator.
	*/
	void qsort(void* _Nullable __array, size_t __n, size_t __size, int (* _Nonnull __comparator)(const void* _Nullable __lhs, const void* _Nullable __rhs));

	/**
	* [qsort_r(3)](https://man7.org/linux/man-pages/man3/qsort_r.3.html) sorts an
	* array of n elements each of the given size, using the given comparator,
	* and passing the given context argument to the comparator.
	*
	* Available since API level 36.
	*/

	#if __BIONIC_AVAILABILITY_GUARD(36)
	void qsort_r(void* _Nullable __array, size_t __n, size_t __size, int (* _Nonnull __comparator)(const void* _Nullable __lhs, const void* _Nullable __rhs, void* _Nullable __context), void* _Nullable __context) __INTRODUCED_IN(36);
	#endif /* __BIONIC_AVAILABILITY_GUARD(36) */


	uint32_t arc4random(void);
	uint32_t arc4random_uniform(uint32_t __upper_bound);
	void arc4random_buf(void* _Nonnull __buf, size_t __n);

	#define RAND_MAX 0x7fffffff

	int rand_r(unsigned int* _Nonnull __seed_ptr);

	double drand48(void);
	double erand48(unsigned short __xsubi[_Nonnull 3]);
	long jrand48(unsigned short __xsubi[_Nonnull 3]);

	#if __BIONIC_AVAILABILITY_GUARD(23)
	void lcong48(unsigned short __param[_Nonnull 7]) __INTRODUCED_IN(23);
	#endif /* __BIONIC_AVAILABILITY_GUARD(23) */

	long lrand48(void);
	long mrand48(void);
	long nrand48(unsigned short __xsubi[_Nonnull 3]);
	unsigned short* _Nonnull seed48(unsigned short __seed16v[_Nonnull 3]);
	void srand48(long __seed);

	char* _Nullable initstate(unsigned int __seed, char* _Nonnull __state, size_t __n);
	char* _Nullable setstate(char* _Nonnull __state);

	int getpt(void);
	int posix_openpt(int __flags);
	char* _Nullable ptsname(int __fd);
	int ptsname_r(int __fd, char* _Nonnull __buf, size_t __n);
	int unlockpt(int __fd);


	#if __BIONIC_AVAILABILITY_GUARD(26)
	int getsubopt(char* _Nonnull * _Nonnull __option, char* _Nonnull const* _Nonnull __tokens, char* _Nullable * _Nonnull __value_ptr) __INTRODUCED_IN(26);
	#endif /* __BIONIC_AVAILABILITY_GUARD(26) */


	typedef struct {
	int quot;
	int rem;
	} div_t;

	div_t div(int __numerator, int __denominator) __attribute_const__;

	typedef struct {
	long int quot;
	long int rem;
	} ldiv_t;

	ldiv_t ldiv(long __numerator, long __denominator) __attribute_const__;

	typedef struct {
	long long int quot;
	long long int rem;
	} lldiv_t;

	lldiv_t lldiv(long long __numerator, long long __denominator) __attribute_const__;

	/**
	* [getloadavg(3)](https://man7.org/linux/man-pages/man3/getloadavg.3.html) queries the
	* number of runnable processes averaged over time. The Linux kernel supports averages
	* over the last 1, 5, and 15 minutes.
	*
	* Returns the number of samples written to `__averages` (at most 3), and returns -1 on failure.
	*/

	#if __BIONIC_AVAILABILITY_GUARD(29)
	int getloadavg(double __averages[_Nonnull], int __n) __INTRODUCED_IN(29);
	#endif /* __BIONIC_AVAILABILITY_GUARD(29) */


	/* BSD compatibility. */
	const char* _Nullable getprogname(void);
	void setprogname(const char* _Nonnull __name);


	#if __BIONIC_AVAILABILITY_GUARD(26)
	int mblen(const char* _Nullable __s, size_t __n) __INTRODUCED_IN(26);
	#endif /* __BIONIC_AVAILABILITY_GUARD(26) */

	size_t mbstowcs(wchar_t* _Nullable __dst, const char* _Nullable __src, size_t __n);
	int mbtowc(wchar_t* _Nullable __wc_ptr, const char* _Nullable __s, size_t __n);
	int wctomb(char* _Nullable __dst, wchar_t __wc);

	size_t wcstombs(char* _Nullable __dst, const wchar_t* _Nullable __src, size_t __n);

	size_t __ctype_get_mb_cur_max(void);
	#define MB_CUR_MAX __ctype_get_mb_cur_max()

	#if defined(__BIONIC_INCLUDE_FORTIFY_HEADERS)
	#include <bits/fortify/stdlib.h>
	#endif

	int abs(int __x) __attribute_const__;
	long labs(long __x) __attribute_const__;
	long long llabs(long long __x) __attribute_const__;

	int rand(void);
	void srand(unsigned int __seed);
	long random(void);
	void srandom(unsigned int __seed);
	int grantpt(int __fd);

	/**
	* [atof(3)](https://man7.org/linux/man-pages/man3/atof.3.html) converts a
	* string to a double.
	*
	* Returns the double; use strtof() or strtod() if you need to detect errors.
	*/
	double atof(const char* _Nonnull __s) __attribute_pure__;

	/**
	* [atoi(3)](https://man7.org/linux/man-pages/man3/atoi.3.html) converts a
	* string to an int.
	*
	* Returns the int or 0 on error; use strtol() if you need to detect errors.
	*/
	int atoi(const char* _Nonnull __s) __attribute_pure__;

	/**
	* [atol(3)](https://man7.org/linux/man-pages/man3/atol.3.html) converts a
	* string to a long.
	*
	* Returns the long or 0 on error; use strtol() if you need to detect errors.
	*/
	long atol(const char* _Nonnull __s) __attribute_pure__;

	/**
	* [atoll(3)](https://man7.org/linux/man-pages/man3/atoll.3.html) converts a
	* string to a long long.
	*
	* Returns the long long or 0 on error; use strtol() if you need to detect errors.
	*/
	long long atoll(const char* _Nonnull __s) __attribute_pure__;

	/**
	* [strtol(3)](https://man7.org/linux/man-pages/man3/strtol.3.html) converts a
	* string to a long.
	*
	* Returns the long.
	* `__end_ptr` is set to the last character in `__s` that was converted.
	* errno is set to ERANGE if the result overflowed or underflowed.
	*/
	long strtol(const char* _Nonnull __s, char* _Nullable * _Nullable __end_ptr, int __base);

	/** Equivalent to strtol() on Android. */
	long strtol_l(const char* _Nonnull __s, char* _Nullable * _Nullable __end_ptr, int, locale_t _Nonnull __l) __RENAME(strtol);

	/**
	* [strtoll(3)](https://man7.org/linux/man-pages/man3/strtoll.3.html) converts a
	* string to a long long.
	*
	* Returns the long long.
	* `__end_ptr` is set to the last character in `__s` that was converted.
	* errno is set to ERANGE if the result overflowed or underflowed.
	*/
	long long strtoll(const char* _Nonnull __s, char* _Nullable * _Nullable __end_ptr, int __base);

	/** Equivalent to strtoll() on Android. */
	long long strtoll_l(const char* _Nonnull __s, char* _Nullable * _Nullable __end_ptr, int __base, locale_t _Nonnull __l);

	/**
	* [strtoul(3)](https://man7.org/linux/man-pages/man3/strtoul.3.html) converts a
	* string to an unsigned long.
	*
	* Returns the unsigned long.
	* `__end_ptr` is set to the last character in `__s` that was converted.
	* errno is set to ERANGE if the result overflowed or underflowed.
	*/
	unsigned long strtoul(const char* _Nonnull __s, char* _Nullable * _Nullable __end_ptr, int __base);

	/** Equivalent to strtoul() on Android. */
	unsigned long strtoul_l(const char* _Nonnull __s, char* _Nullable * _Nullable __end_ptr, int __base, locale_t _Nonnull __l) __RENAME(strtoul);

	/**
	* [strtoull(3)](https://man7.org/linux/man-pages/man3/strtoull.3.html) converts a
	* string to an unsigned long long.
	*
	* Returns the unsigned long long.
	* `__end_ptr` is set to the last character in `__s` that was converted.
	* errno is set to ERANGE if the result overflowed or underflowed.
	*/
	unsigned long long strtoull(const char* _Nonnull __s, char* _Nullable * _Nullable __end_ptr, int __base);

	/** Equivalent to strtoull() on Android. */
	unsigned long long strtoull_l(const char* _Nonnull __s, char* _Nullable * _Nullable __end_ptr, int __base, locale_t _Nonnull __l);

	/**
	* [strtof(3)](https://man7.org/linux/man-pages/man3/strtof.3.html) converts a
	* string to a float.
	*
	* Returns the float.
	* `__end_ptr` is set to the last character in `__s` that was converted.
	* errno is set to ERANGE if the result overflowed or underflowed.
	*/
	float strtof(const char* _Nonnull __s, char* _Nullable * _Nullable __end_ptr);

	/**
	* [strtod(3)](https://man7.org/linux/man-pages/man3/strtod.3.html) converts a
	* string to a double.
	*
	* Returns the double.
	* `__end_ptr` is set to the last character in `__s` that was converted.
	* errno is set to ERANGE if the result overflowed or underflowed.
	*/
	double strtod(const char* _Nonnull __s, char* _Nullable * _Nullable __end_ptr);

	/**
	* [strtold(3)](https://man7.org/linux/man-pages/man3/strtold.3.html) converts a
	* string to a long double.
	*
	* Returns the long double.
	* `__end_ptr` is set to the last character in `__s` that was converted.
	* errno is set to ERANGE if the result overflowed or underflowed.
	*/
	long double strtold(const char* _Nonnull __s, char* _Nullable * _Nullable __end_ptr);

	/** Equivalent to strtold() on Android. */
	long double strtold_l(const char* _Nonnull __s, char* _Nullable * _Nullable __end_ptr, locale_t _Nonnull __l);

	#if __ANDROID_API__ >= 26
	/** Equivalent to strtod() on Android. */
	double strtod_l(const char* _Nonnull __s, char* _Nullable * _Nullable __end_ptr, locale_t _Nonnull __l) __INTRODUCED_IN(26);
	/** Equivalent to strtof() on Android. */
	float strtof_l(const char* _Nonnull __s, char* _Nullable * _Nullable __end_ptr, locale_t _Nonnull __l) __INTRODUCED_IN(26);
	#else
	// Implemented as static inlines before 26.
	#endif

	__END_DECLS

	#include <android/legacy_stdlib_inlines.h>

	#endif /* _STDLIB_H */