stdlib.h File Reference

#include <stdint.h>
#include "string.h"
#include "time.h"
#include "micros.h"

Go to the source code of this file.

Classes
struct	div_t
	Structure to represent the result value of an integral division. More...
struct	ldiv_t
	Structure to represent the result value of an integral division. More...
struct	lldiv_t
	Structure to represent the result value of an integral division. More...

Macros
#define	RAND_MAX   INT32_MAX
	Maximum value returned by rand. More...
#define	EXIT_SUCCESS   0
	Success termination code. More...
#define	EXIT_FAILURE   -1
	Failure termination code. More...

Functions
int	abs (int n)
	Absolute value. More...
long int	labs (long int n)
	Absolute value. More...
long long int	llabs (long long int n)
	Absolute value. More...
div_t	div (int numer, int denom)
	Integral division. More...
ldiv_t	ldiv (long int numer, long int denom)
	Integral division. More...
lldiv_t	lldiv (long long int numer, long long int denom)
	Integral division. More...
int	atoi (const char *string)
	Convert string to integer. More...
long int	atol (const char *string)
	Convert string to integer. More...
long long int	atoll (const char *string)
	Convert string to integer. More...
char *	itoa (int input, char *buffer, int base)
	Convert integer to string (non-standard function) More...
double	strtod (const char *str, char **endptr)
	Convert string to double. More...
void *	malloc (size_t size)
	Allocate memory block. More...
void *	malloc_align (size_t size, uint32_t align)
	Allocate memory block with the specified align. More...
void *	calloc (size_t num, size_t size)
	Allocate and zero-initialize array. More...
void *	realloc (void *ptr, size_t size)
	Reallocate memory block. More...
void	free (void *ptr)
	Deallocate memory block. More...
int	rand ()
	Generate random number. More...
void	srand (unsigned int new_seed)
	Initialize random number generator. More...
void	qsort (void *base, size_t num, size_t size, int(*compar)(const void *, const void *))
	Sorts an array. More...
void *	bsearch (const void *key, const void *base, size_t num, size_t size, int(*compar)(const void *, const void *))
	Binary search in array. More...
void	abort ()
	Abort current process. More...
void	exit (int status)
	Terminate calling process. More...
char *	getenv (const char *name)
	Get environment string. More...
void	__stdlib_swap (void *first, void *second, size_t size)
	Swap two elements. Used by qsort(). More...
int	__stdlib_partition (void *base, size_t num, size_t size, int(*compar)(const void *, const void *))
	Sort and return position of key. Used by qsort(). More...

Variables
unsigned int	seed

Macro Definition Documentation

EXIT_FAILURE

#define EXIT_FAILURE   -1

Failure termination code.

EXIT_SUCCESS

#define EXIT_SUCCESS   0

Success termination code.

RAND_MAX

#define RAND_MAX   INT32_MAX

Maximum value returned by rand.

Function Documentation

__stdlib_partition()

int __stdlib_partition	(	void *	base,
		size_t	num,
		size_t	size,
		int(*)(const void *, const void *)	compar
	)

Sort and return position of key. Used by qsort().

__stdlib_swap()

void __stdlib_swap	(	void *	first,
		void *	second,
		size_t	size
	)

Swap two elements. Used by qsort().

abort()

void abort

(

)

Abort current process.

abs()

int abs

(

int

n

)

Absolute value.

atoi()

int atoi

(

const char *

string

)

Convert string to integer.

atol()

long int atol

(

const char *

string

)

Convert string to integer.

atoll()

long long int atoll

(

const char *

string

)

Convert string to integer.

bsearch()

void* bsearch	(	const void *	key,
		const void *	base,
		size_t	num,
		size_t	size,
		int(*)(const void *, const void *)	compar
	)

Binary search in array.

calloc()

void* calloc	(	size_t	num,
		size_t	size
	)

Allocate and zero-initialize array.

div()

div_t div	(	int	numer,
		int	denom
	)

Integral division.

exit()

void exit

(

int

status

)

Terminate calling process.

free()

void free

(

void *

ptr

)

Deallocate memory block.

getenv()

char* getenv

(

const char *

name

)

Get environment string.

itoa()

char* itoa	(	int	input,
		char *	buffer,
		int	base
	)

Convert integer to string (non-standard function)

labs()

long int labs

(

long int

n

)

Absolute value.

ldiv()

ldiv_t ldiv	(	long int	numer,
		long int	denom
	)

Integral division.

llabs()

long long int llabs

(

long long int

n

)

Absolute value.

lldiv()

lldiv_t lldiv	(	long long int	numer,
		long long int	denom
	)

Integral division.

malloc()

void* malloc

(

size_t

size

)

Allocate memory block.

malloc_align()

void* malloc_align	(	size_t	size,
		uint32_t	align
	)

Allocate memory block with the specified align.

qsort()

void qsort	(	void *	base,
		size_t	num,
		size_t	size,
		int(*)(const void *, const void *)	compar
	)

Sorts an array.

rand()

int rand

(

)

Generate random number.

realloc()

void* realloc	(	void *	ptr,
		size_t	size
	)

Reallocate memory block.

srand()

void srand

(

unsigned int

new_seed

)

Initialize random number generator.

strtod()

double strtod	(	const char *	str,
		char **	endptr
	)

Convert string to double.

Variable Documentation

seed

unsigned int seed