113 lines
3.1 KiB
C
113 lines
3.1 KiB
C
#ifndef _STDLIB_H
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#define _STDLIB_H
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#include <bits/macros.h>
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#include <limits.h>
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#include <stddef.h>
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#define EXIT_SUCCESS 0
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#define EXIT_FAILURE 1
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#define RAND_MAX INT_MAX
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typedef struct
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{
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int quot;
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int rem;
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} div_t;
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typedef struct
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{
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long quot;
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long rem;
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} ldiv_t;
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typedef struct
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{
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long long quot;
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long long rem;
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} lldiv_t;
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/* Aborts the program. */
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__lc_noreturn void abort(void);
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/* Normally exits the program with the specified status code. */
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__lc_noreturn void exit(int status);
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/* Abnormally exits the program with the specified status code. */
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__lc_noreturn void _Exit(int status);
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/* Registers a handler function to be run at normal program termination. */
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int atexit(void (*handler)(void));
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/* Returns an integer (of type int) parsed from the string str. */
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int atoi(const char* str);
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/* Returns an integer (of type long) parsed from the string str. */
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long atol(const char* str);
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/* Returns an integer (of type long long) parsed from the string str. */
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long long atoll(const char* str);
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/* Returns an integer (of type unsigned long) parsed from the string str. */
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unsigned long strtoul(const char* str, char** endptr, int base);
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/* Returns an integer (of type long) parsed from the string str. */
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long strtol(const char* str, char** endptr, int base);
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/* Not implemented. */
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char* getenv(const char*);
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/* Allocates n bytes of memory and returns a pointer to it. This memory should be freed by calling free() when it is
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* not in use anymore. */
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void* malloc(size_t n);
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/* Allocates enough bytes of memory for an array containing nmemb items of size n and returns a pointer to it. This
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* memory should be freed by calling free() when it is not in use anymore. */
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void* calloc(size_t nmemb, size_t n);
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/* Resizes memory allocated by malloc() or calloc() to n bytes. Returns a pointer to the new resized region of
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* memory, which should be used instead of the old one. This memory should be freed by calling free() when it is not
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* in use anymore. */
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void* realloc(void* ptr, size_t n);
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/* Frees a pointer to memory allocated by malloc(), calloc() or realloc(). Accessing the contents of ptr afterwards
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* is undefined behavior. */
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void free(void* ptr);
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/* Returns a random number. */
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int rand(void);
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/* Seeds the random number generator with the specified seed. */
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void srand(unsigned int seed);
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/* Returns the absolute value of an integer. */
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int abs(int val);
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/* Returns the absolute value of an integer. */
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long labs(long val);
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/* Returns the absolute value of an integer. */
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long long llabs(long long val);
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/* Returns the result of dividing a by b. */
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div_t div(int a, int b);
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/* Returns the result of dividing a by b. */
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ldiv_t ldiv(long a, long b);
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/* Returns the result of dividing a by b. */
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lldiv_t lldiv(long long a, long long b);
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void qsort(void*, size_t, size_t, int (*)(const void*, const void*)); // Not implemented.
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#ifdef __cplusplus
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}
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#endif
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#endif |