mes/include/stdlib.h

/* -*-comment-start: "//";comment-end:""-*-
 * GNU Mes --- Maxwell Equations of Software
 * Copyright © 2017,2018,2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
 *
 * This file is part of GNU Mes.
 *
 * GNU Mes is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or (at
 * your option) any later version.
 *
 * GNU Mes is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with GNU Mes.  If not, see <http://www.gnu.org/licenses/>.
 */
#ifndef __MES_STDLIB_H
#define __MES_STDLIB_H 1

#ifndef __MES_COMPARISON_FN_T
#define __MES_COMPARISON_FN_T
typedef int (*comparison_fn_t) (void const *, void const *);
#endif

#if SYSTEM_LIBC
#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#endif
#undef __MES_STDLIB_H
#include_next <stdlib.h>
#else // ! SYSTEM_LIBC

#include <sys/types.h>
#include <alloca.h>

double atof (char const *s);
int atoi (char const *s);
int atexit (void (*function) (void));
void *calloc (size_t nmemb, size_t size);
void _exit (int status);
void exit (int status);
void free (void *ptr);
char *getenv (char const *s);
int setenv (char const *s, char const *v, int overwrite_p);
void unsetenv (char const *name);
void *malloc (size_t);
void qsort (void *base, size_t nmemb, size_t size, int (*compar) (void const *, void const *));
int rand (void);
void *realloc (void *p, size_t size);
double strtod (char const *string, char **tailptr);
float strtof (char const *string, char **tailptr);
long double strtold (char const *string, char **tailptr);
long strtol (char const *string, char **tailptr, int base);
long long strtoll (char const *string, char **tailptr, int base);
unsigned long strtoul (char const *string, char **tailptr, int base);
unsigned long long strtoull (char const *string, char **tailptr, int base);

#define EXIT_FAILURE 1
#define EXIT_SUCCESS 0

void *bsearch (void const *key, void const *array, size_t count, size_t size, comparison_fn_t compare);

#endif // ! SYSTEM_LIBC

#endif // __MES_STDLIB_H