/* 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 SVID || extended X/Open || BSD. */
__BEGIN_NAMESPACE_STD
/* 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;
__END_NAMESPACE_STD
#ifdef __USE_POSIX
/* Reentrant interface according to POSIX.1. */
extern int rand_r (unsigned int *__seed) __THROW;
#endif
#if defined __USE_SVID || 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. */
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 SVID or X/Open. */
#endif /* don't just need malloc and calloc */
#ifndef __malloc_and_calloc_defined
# define __malloc_and_calloc_defined
__BEGIN_NAMESPACE_STD
/* 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;
__END_NAMESPACE_STD
#endif
#ifndef __need_malloc_and_calloc
__BEGIN_NAMESPACE_STD
/* 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__;
/* Free a block allocated by `malloc', `realloc' or `calloc'. */
extern void free (void *__ptr) __THROW;
__END_NAMESPACE_STD
#ifdef __USE_MISC
/* Free a block. An alias for `free'. (Sun Unices). */
extern void cfree (void *__ptr) __THROW;
#endif /* Use misc. */
#if defined __USE_GNU || defined __USE_BSD || defined __USE_MISC
# include
#endif /* Use GNU, BSD, or misc. */
#if (defined __USE_XOPEN_EXTENDED && !defined __USE_XOPEN2K) \
|| defined __USE_BSD
/* 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 __wur __attribute__ ((__malloc__, __alloc_size__ (2)));
#endif
__BEGIN_NAMESPACE_STD
/* 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
__END_NAMESPACE_STD
#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
__BEGIN_NAMESPACE_STD
/* 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
__END_NAMESPACE_STD
#ifdef __USE_ISOC99
__BEGIN_NAMESPACE_C99
/* 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__));
__END_NAMESPACE_C99
#endif
__BEGIN_NAMESPACE_STD
/* Return the value of envariable NAME, or NULL if it doesn't exist. */
extern char *getenv (const char *__name) __THROW __nonnull ((1)) __wur;
__END_NAMESPACE_STD
#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_SVID || defined __USE_XOPEN
/* The SVID says this is in , 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
#if defined __USE_BSD || defined __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_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 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
#if defined __USE_BSD || defined __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
__BEGIN_NAMESPACE_STD
/* 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;
__END_NAMESPACE_STD
#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_BSD || 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
__BEGIN_NAMESPACE_STD
/* 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;
/* 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;
__END_NAMESPACE_STD
#ifdef __USE_ISOC99
__extension__ extern long long int llabs (long long int __x)
__THROW __attribute__ ((__const__)) __wur;
#endif
__BEGIN_NAMESPACE_STD
/* 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;
__END_NAMESPACE_STD
#ifdef __USE_ISOC99
__BEGIN_NAMESPACE_C99
__extension__ extern lldiv_t lldiv (long long int __numer,
long long int __denom)
__THROW __attribute__ ((__const__)) __wur;
__END_NAMESPACE_C99
#endif
#if (defined __USE_XOPEN_EXTENDED && !defined __USE_XOPEN2K8) \
|| defined __USE_SVID
/* 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;
# 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 */
#endif /* use MISC || use X/Open Unix */
__BEGIN_NAMESPACE_STD
/* 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 __wur;
/* 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 __wur;
/* Put the multibyte character represented
by WCHAR in S, returning its length. */
extern int wctomb (char *__s, wchar_t __wchar) __THROW __wur;
/* 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;
__END_NAMESPACE_STD
#ifdef __USE_SVID
/* 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
/* 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 assoicated 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_BSD
/* 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
#include
/* Define some macros helping to catch buffer overflows. */
#if __USE_FORTIFY_LEVEL > 0 && defined __fortify_function
# include
#endif
#ifdef __LDBL_COMPAT
# include
#endif
#endif /* don't just need malloc and calloc */
#undef __need_malloc_and_calloc
__END_DECLS
#endif /* stdlib.h */