/*
 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this
 *    list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#pragma once

#include <stddef.h>
#include <sys/cdefs.h>
#include <sys/types.h>

__attribute__((warn_unused_result)) int __generate_unique_filename(char* pattern);

__BEGIN_DECLS

#define EXIT_SUCCESS 0
#define EXIT_FAILURE 1
#define MB_CUR_MAX 1

__attribute__((malloc)) __attribute__((alloc_size(1))) void* malloc(size_t);
__attribute__((malloc)) __attribute__((alloc_size(1, 2))) void* calloc(size_t nmemb, size_t);
size_t malloc_size(void*);
void free(void*);
void* realloc(void* ptr, size_t);
char* getenv(const char* name);
int putenv(char*);
int unsetenv(const char*);
int setenv(const char* name, const char* value, int overwrite);
int atoi(const char*);
long atol(const char*);
long long atoll(const char*);
double strtod(const char*, char** endptr);
long double strtold(const char*, char** endptr);
float strtof(const char*, char** endptr);
long strtol(const char*, char** endptr, int base);
long long strtoll(const char*, char** endptr, int base);
unsigned long long strtoull(const char*, char** endptr, int base);
unsigned long strtoul(const char*, char** endptr, int base);
void qsort(void* base, size_t nmemb, size_t size, int (*compar)(const void*, const void*));
void qsort_r(void* base, size_t nmemb, size_t size, int (*compar)(const void*, const void*, void*), void* arg);
int atexit(void (*function)());
__attribute__((noreturn)) void exit(int status);
__attribute__((noreturn)) void abort();
char* ptsname(int fd);
int ptsname_r(int fd, char* buffer, size_t);
int abs(int);
long labs(long);
double atof(const char*);
int system(const char* command);
char* mktemp(char*);
int mkstemp(char*);
char* mkdtemp(char*);
void* bsearch(const void* key, const void* base, size_t nmemb, size_t size, int (*compar)(const void*, const void*));
size_t mbstowcs(wchar_t*, const char*, size_t);
size_t mbtowc(wchar_t*, const char*, size_t);
int wctomb(char*, wchar_t);
size_t wcstombs(char*, const wchar_t*, size_t);
char* realpath(const char* pathname, char* buffer);

#define RAND_MAX 32767
int rand();
void srand(unsigned seed);

long int random();
void srandom(unsigned seed);

uint32_t arc4random(void);
void arc4random_buf(void*, size_t);
uint32_t arc4random_uniform(uint32_t);

typedef struct {
    int quot;
    int rem;
} div_t;
div_t div(int, int);
typedef struct {
    long quot;
    long rem;
} ldiv_t;
ldiv_t ldiv(long, long);

int posix_openpt(int flags);
int grantpt(int fd);
int unlockpt(int fd);

__END_DECLS