--- /dev/null
+/* Copyright (C) 1991-2018 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
+
+/* Likewise for '_FloatN' and '_FloatNx'. */
+
+#if __HAVE_FLOAT16 && __GLIBC_USE (IEC_60559_TYPES_EXT)
+extern _Float16 strtof16 (const char *__restrict __nptr,
+ char **__restrict __endptr)
+ __THROW __nonnull ((1));
+#endif
+
+#if __HAVE_FLOAT32 && __GLIBC_USE (IEC_60559_TYPES_EXT)
+extern _Float32 strtof32 (const char *__restrict __nptr,
+ char **__restrict __endptr)
+ __THROW __nonnull ((1));
+#endif
+
+#if __HAVE_FLOAT64 && __GLIBC_USE (IEC_60559_TYPES_EXT)
+extern _Float64 strtof64 (const char *__restrict __nptr,
+ char **__restrict __endptr)
+ __THROW __nonnull ((1));
+#endif
+
+#if __HAVE_FLOAT128 && __GLIBC_USE (IEC_60559_TYPES_EXT)
+extern _Float128 strtof128 (const char *__restrict __nptr,
+ char **__restrict __endptr)
+ __THROW __nonnull ((1));
+#endif
+
+#if __HAVE_FLOAT32X && __GLIBC_USE (IEC_60559_TYPES_EXT)
+extern _Float32x strtof32x (const char *__restrict __nptr,
+ char **__restrict __endptr)
+ __THROW __nonnull ((1));
+#endif
+
+#if __HAVE_FLOAT64X && __GLIBC_USE (IEC_60559_TYPES_EXT)
+extern _Float64x strtof64x (const char *__restrict __nptr,
+ char **__restrict __endptr)
+ __THROW __nonnull ((1));
+#endif
+
+#if __HAVE_FLOAT128X && __GLIBC_USE (IEC_60559_TYPES_EXT)
+extern _Float128x strtof128x (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_FLOAT16 && __GLIBC_USE (IEC_60559_TYPES_EXT)
+extern int strfromf16 (char *__dest, size_t __size, const char * __format,
+ _Float16 __f)
+ __THROW __nonnull ((3));
+#endif
+
+#if __HAVE_FLOAT32 && __GLIBC_USE (IEC_60559_TYPES_EXT)
+extern int strfromf32 (char *__dest, size_t __size, const char * __format,
+ _Float32 __f)
+ __THROW __nonnull ((3));
+#endif
+
+#if __HAVE_FLOAT64 && __GLIBC_USE (IEC_60559_TYPES_EXT)
+extern int strfromf64 (char *__dest, size_t __size, const char * __format,
+ _Float64 __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
+
+#if __HAVE_FLOAT32X && __GLIBC_USE (IEC_60559_TYPES_EXT)
+extern int strfromf32x (char *__dest, size_t __size, const char * __format,
+ _Float32x __f)
+ __THROW __nonnull ((3));
+#endif
+
+#if __HAVE_FLOAT64X && __GLIBC_USE (IEC_60559_TYPES_EXT)
+extern int strfromf64x (char *__dest, size_t __size, const char * __format,
+ _Float64x __f)
+ __THROW __nonnull ((3));
+#endif
+
+#if __HAVE_FLOAT128X && __GLIBC_USE (IEC_60559_TYPES_EXT)
+extern int strfromf128x (char *__dest, size_t __size, const char * __format,
+ _Float128x __f)
+ __THROW __nonnull ((3));
+#endif
+
+
+#ifdef __USE_GNU
+/* Parallel versions of the functions above which take the locale to
+ use as an additional parameter. These are GNU extensions inspired
+ by the POSIX.1-2008 extended locale API. */
+# include <bits/types/locale_t.h>
+
+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));
+
+# if __HAVE_FLOAT16
+extern _Float16 strtof16_l (const char *__restrict __nptr,
+ char **__restrict __endptr,
+ locale_t __loc)
+ __THROW __nonnull ((1, 3));
+# endif
+
+# if __HAVE_FLOAT32
+extern _Float32 strtof32_l (const char *__restrict __nptr,
+ char **__restrict __endptr,
+ locale_t __loc)
+ __THROW __nonnull ((1, 3));
+# endif
+
+# if __HAVE_FLOAT64
+extern _Float64 strtof64_l (const char *__restrict __nptr,
+ char **__restrict __endptr,
+ locale_t __loc)
+ __THROW __nonnull ((1, 3));
+# endif
+
+# if __HAVE_FLOAT128
+extern _Float128 strtof128_l (const char *__restrict __nptr,
+ char **__restrict __endptr,
+ locale_t __loc)
+ __THROW __nonnull ((1, 3));
+# endif
+
+# if __HAVE_FLOAT32X
+extern _Float32x strtof32x_l (const char *__restrict __nptr,
+ char **__restrict __endptr,
+ locale_t __loc)
+ __THROW __nonnull ((1, 3));
+# endif
+
+# if __HAVE_FLOAT64X
+extern _Float64x strtof64x_l (const char *__restrict __nptr,
+ char **__restrict __endptr,
+ locale_t __loc)
+ __THROW __nonnull ((1, 3));
+# endif
+
+# if __HAVE_FLOAT128X
+extern _Float128x strtof128x_l (const char *__restrict __nptr,
+ char **__restrict __endptr,
+ locale_t __loc)
+ __THROW __nonnull ((1, 3));
+# endif
+#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
+
+
+/* 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 */
projects / cross.git / blobdiff