#ifndef _STDLIB_H
#define _STDLIB_H

#include <bits/attrs.h>
#include <stddef.h>

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

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

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

#ifdef __cplusplus
extern "C"
{
#endif

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

    div_t div(int, int);
    ldiv_t ldiv(long, long);
    lldiv_t lldiv(long long, long long);

    void* malloc(size_t);
    void* calloc(size_t, size_t);
    void* realloc(void*, size_t);
    void free(void*);

    __noreturn void abort();
    int atexit(void (*)(void));

    int atoi(const char*);
    long atol(const char*);
    long long atoll(const char*);

    double atof(const char*);

    double strtod(const char*, char**);

    long strtol(const char*, char**, int);
    unsigned long strtoul(const char*, char**, int);

    int rand();
    void srand(int);

    __noreturn void exit(int);

    int system(const char*);

    char* getenv(const char*);

    void qsort(void*, size_t, size_t, int (*)(const void*, const void*));
    void* bsearch(const void*, const void*, size_t, size_t, int (*)(const void*, const void*));

#ifdef __cplusplus
}
#endif

#endif