stdlib.h revision 1.44
1/*	$NetBSD: stdlib.h,v 1.44 2000/01/10 16:58:38 kleink Exp $	*/
2
3/*-
4 * Copyright (c) 1990, 1993
5 *	The Regents of the University of California.  All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 *    must display the following acknowledgement:
17 *	This product includes software developed by the University of
18 *	California, Berkeley and its contributors.
19 * 4. Neither the name of the University nor the names of its contributors
20 *    may be used to endorse or promote products derived from this software
21 *    without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 *
35 *	@(#)stdlib.h	8.5 (Berkeley) 5/19/95
36 */
37
38#ifndef _STDLIB_H_
39#define _STDLIB_H_
40
41#include <sys/cdefs.h>
42#include <sys/featuretest.h>
43
44#if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE) && \
45    !defined(_XOPEN_SOURCE)
46#include <sys/types.h>		/* for quad_t, etc. */
47#endif
48
49#include <machine/ansi.h>
50
51#ifdef	_BSD_SIZE_T_
52typedef	_BSD_SIZE_T_	size_t;
53#undef	_BSD_SIZE_T_
54#endif
55
56#ifdef	_BSD_WCHAR_T_
57typedef	_BSD_WCHAR_T_	wchar_t;
58#undef	_BSD_WCHAR_T_
59#endif
60
61typedef struct {
62	int quot;		/* quotient */
63	int rem;		/* remainder */
64} div_t;
65
66typedef struct {
67	long quot;		/* quotient */
68	long rem;		/* remainder */
69} ldiv_t;
70
71#if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE) && \
72    !defined(_XOPEN_SOURCE)
73typedef struct {
74	quad_t quot;		/* quotient */
75	quad_t rem;		/* remainder */
76} qdiv_t;
77#endif
78
79
80#include <sys/null.h>
81
82#define	EXIT_FAILURE	1
83#define	EXIT_SUCCESS	0
84
85#define	RAND_MAX	0x7fffffff
86
87#if 0	/* no wide char stuff (yet) */
88extern int __mb_cur_max;
89#define	MB_CUR_MAX	__mb_cur_max
90#else
91#define	MB_CUR_MAX	1	/* XXX */
92#endif
93
94__BEGIN_DECLS
95__dead	 void abort __P((void)) __attribute__((__noreturn__));
96__pure	 int abs __P((int));
97int	 atexit __P((void (*)(void)));
98double	 atof __P((const char *));
99int	 atoi __P((const char *));
100long	 atol __P((const char *));
101void	*bsearch __P((const void *, const void *, size_t,
102	    size_t, int (*)(const void *, const void *)));
103void	*calloc __P((size_t, size_t));
104div_t	 div __P((int, int));
105__dead	 void exit __P((int)) __attribute__((__noreturn__));
106void	 free __P((void *));
107__aconst char *getenv __P((const char *));
108__pure long
109	 labs __P((long));
110ldiv_t	 ldiv __P((long, long));
111void	*malloc __P((size_t));
112void	 qsort __P((void *, size_t, size_t,
113	    int (*)(const void *, const void *)));
114int	 rand __P((void));
115void	*realloc __P((void *, size_t));
116void	 srand __P((unsigned));
117double	 strtod __P((const char *, char **));
118long	 strtol __P((const char *, char **, int));
119unsigned long
120	 strtoul __P((const char *, char **, int));
121int	 system __P((const char *));
122
123/* These are currently just stubs. */
124int	 mblen __P((const char *, size_t));
125size_t	 mbstowcs __P((wchar_t *, const char *, size_t));
126int	 wctomb __P((char *, wchar_t));
127int	 mbtowc __P((wchar_t *, const char *, size_t));
128size_t	 wcstombs __P((char *, const wchar_t *, size_t));
129
130#if !defined(_ANSI_SOURCE)
131
132
133/*
134 * IEEE Std 1003.1c-95, also adopted by X/Open CAE Spec Issue 5 Version 2
135 */
136#if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \
137    (_POSIX_C_SOURCE - 0) >= 199506L || (_XOPEN_SOURCE - 0) >= 500 || \
138    defined(_REENTRANT)
139int	 rand_r __P((unsigned int *));
140#endif
141
142
143/*
144 * X/Open Portability Guide >= Issue 4
145 */
146#if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \
147    (_XOPEN_SOURCE - 0) >= 4
148double	 drand48 __P((void));
149double	 erand48 __P((unsigned short[3]));
150long	 jrand48 __P((unsigned short[3]));
151void	 lcong48 __P((unsigned short[7]));
152long	 lrand48 __P((void));
153long	 mrand48 __P((void));
154long	 nrand48 __P((unsigned short[3]));
155unsigned short *
156	 seed48 __P((unsigned short[3]));
157void	 srand48 __P((long));
158
159int	 putenv __P((const char *));
160#endif
161
162
163/*
164 * X/Open Portability Guide >= Issue 4 Version 2
165 */
166#if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \
167    (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \
168    (_XOPEN_SOURCE - 0) >= 500
169long	 a64l __P((const char *));
170char	*l64a __P((long));
171
172char	*initstate __P((unsigned long, char *, size_t));
173long	 random __P((void));
174char	*setstate __P((char *));
175void	 srandom __P((unsigned long));
176
177char	*mkdtemp __P((char *));
178int	 mkstemp __P((char *));
179#ifndef __AUDIT__
180char	*mktemp __P((char *));
181#endif
182
183int	 setkey __P((const char *));
184
185char	*realpath __P((const char *, char *));
186
187int	 ttyslot __P((void));
188
189void	*valloc __P((size_t));		/* obsoleted by malloc() */
190#endif
191
192
193/*
194 * Implementation-defined extensions
195 */
196#if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)
197#if defined(alloca) && (alloca == __builtin_alloca) && (__GNUC__ < 2)
198void	*alloca __P((int));     /* built-in for gcc */
199#else
200void	*alloca __P((size_t));
201#endif /* __GNUC__ */
202
203char	*getbsize __P((int *, long *));
204char	*cgetcap __P((char *, const char *, int));
205int	 cgetclose __P((void));
206int	 cgetent __P((char **, char **, const char *));
207int	 cgetfirst __P((char **, char **));
208int	 cgetmatch __P((const char *, const char *));
209int	 cgetnext __P((char **, char **));
210int	 cgetnum __P((char *, const char *, long *));
211int	 cgetset __P((const char *));
212int	 cgetstr __P((char *, const char *, char **));
213int	 cgetustr __P((char *, const char *, char **));
214
215int	 daemon __P((int, int));
216__aconst char *devname __P((dev_t, mode_t));
217int	 getloadavg __P((double [], int));
218
219void	 cfree __P((void *));
220
221int	 heapsort __P((void *, size_t, size_t,
222	    int (*)(const void *, const void *)));
223int	 mergesort __P((void *, size_t, size_t,
224	    int (*)(const void *, const void *)));
225int	 radixsort __P((const unsigned char **, int, const unsigned char *,
226	    unsigned));
227int	 sradixsort __P((const unsigned char **, int, const unsigned char *,
228	    unsigned));
229
230int	 setenv __P((const char *, const char *, int));
231void	 unsetenv __P((const char *));
232void	 setproctitle __P((const char *, ...));
233
234quad_t	 qabs __P((quad_t));
235qdiv_t	 qdiv __P((quad_t, quad_t));
236quad_t	 strtoq __P((const char *, char **, int));
237u_quad_t strtouq __P((const char *, char **, int));
238
239int	 l64a_r __P((long, char *, int));
240#endif /* !_POSIX_C_SOURCE && !_XOPEN_SOURCE */
241#endif /* !_ANSI_SOURCE */
242__END_DECLS
243
244#endif /* !_STDLIB_H_ */
245