stdlib.h

一个微型操作系统源码

/*
 * OSV
 * Copyright (C) 2002 Ciprian DOSOFTEI <[e-mail]>
 * All rights reserved.
 * 
 * http://backster.free.fr/osv
 *
 * This file is part of the OSV project. OSV is free software, also known as
 * "open source"; you can redistribute it and/or modify it under the terms 
 * of the GNU General Public License (GPL), version 2, as published by the Free
 * Software Foundation (FSF). To explore alternate licensing terms, contact 
 * the author at [e-mail] or [phone].
 * 
 * OSV 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 GPL for more details.  You should have
 * received a copy of the GPL along with OSV; see the file COPYING.  If
 * not, write to the FSF, 59 Temple Place #330, Boston, MA 02111-1307, USA.
 */

#ifndef INCSTDLIB
#define INCSTDLIB

#include <types.h>

#ifdef __cplusplus
extern "C" {
#endif

#define EXIT_SUCCESS 0
#define EXIT_FAILURE 1

#ifndef NULL
#define NULL 0
#endif

#define RAND_MAX  2147483647

#define	abs(X)		((X)< 0  ? (-(X)) : (X))
/* these two aren't ANSI (but they should be!) */
#define	max(X,Y)	((X)>(Y) ? (X) : (Y))
#define	min(X,Y)	((X)>(Y) ? (Y) : (X))

int	atoi(const char *num);
uint 	atoui(const char *num);
long 	atol(const char *num);
ulong 	atoul(const char *num);
int	atexit(void (*_func)(void));
void*	malloc(size_t size);
void	free(void* ptr);
void	exit(int status) __attribute__((noreturn));
void 	srand(unsigned long new_seed);
int	rand(void);
void	qsort(void *base0, size_t n, size_t size, 
	int (*compare_func)(const void *, const void*));
void*	bsearch(const void* key, const void* base,
	size_t nmemb, size_t size,
	int (*compare_func)(const void *, const void *));


#ifdef __cplusplus
}
#endif

#endif