stdlib.h revision 1.25
1/*	$OpenBSD: stdlib.h,v 1.25 2003/06/02 19:34:12 millert Exp $	*/
2/*	$NetBSD: stdlib.h,v 1.25 1995/12/27 21:19:08 jtc Exp $	*/
3
4/*-
5 * Copyright (c) 1990 The Regents of the University of California.
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the University nor the names of its contributors
17 *    may be used to endorse or promote products derived from this software
18 *    without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 *	@(#)stdlib.h	5.13 (Berkeley) 6/4/91
33 */
34
35#ifndef _STDLIB_H_
36#define _STDLIB_H_
37#include <machine/ansi.h>
38
39#if !defined(_ANSI_SOURCE)	/* for quad_t, etc. */
40#include <sys/types.h>
41#endif
42
43#ifdef	_BSD_SIZE_T_
44typedef	_BSD_SIZE_T_	size_t;
45#undef	_BSD_SIZE_T_
46#endif
47
48#ifdef	_BSD_WCHAR_T_
49/* in C++, wchar_t is a built-in type */
50#ifndef __cplusplus
51typedef	_BSD_WCHAR_T_	wchar_t;
52#endif
53#undef	_BSD_WCHAR_T_
54#endif
55
56typedef struct {
57	int quot;		/* quotient */
58	int rem;		/* remainder */
59} div_t;
60
61typedef struct {
62	long quot;		/* quotient */
63	long rem;		/* remainder */
64} ldiv_t;
65
66#if !defined(_ANSI_SOURCE)
67typedef struct {
68	quad_t quot;		/* quotient */
69	quad_t rem;		/* remainder */
70} qdiv_t;
71#endif
72
73
74#ifndef	NULL
75#ifdef 	__GNUG__
76#define NULL	__null
77#else
78#define	NULL	0L
79#endif
80#endif
81
82#define	EXIT_FAILURE	1
83#define	EXIT_SUCCESS	0
84
85#define	RAND_MAX	0x7fffffff
86
87#define	MB_CUR_MAX	1	/* XXX */
88
89#include <sys/cdefs.h>
90
91/*
92 * Some header files may define an abs macro.
93 * If defined, undef it to prevent a syntax error and issue a warning.
94 */
95#ifdef abs
96#undef abs
97#warning abs macro collides with abs() prototype, undefining
98#endif
99
100__BEGIN_DECLS
101__dead void	 abort(void);
102int	 abs(int);
103int	 atexit(void (*)(void));
104double	 atof(const char *);
105int	 atoi(const char *);
106long	 atol(const char *);
107long long atoll(const char *);
108void	*bsearch(const void *, const void *, size_t, size_t,
109	    int (*)(const void *, const void *));
110void	*calloc(size_t, size_t);
111div_t	 div(int, int);
112char	*ecvt(double, int, int *, int *);
113__dead void	 exit(int);
114char	*fcvt(double, int, int *, int *);
115void	 free(void *);
116char	*gcvt(double, int, char *);
117char	*getenv(const char *);
118long	 labs(long);
119ldiv_t	 ldiv(long, long);
120void	*malloc(size_t);
121void	 qsort(void *, size_t, size_t, int (*)(const void *, const void *));
122int	 rand(void);
123int	 rand_r(unsigned int *);
124void	*realloc(void *, size_t);
125void	 srand(unsigned);
126double	 strtod(const char *, char **);
127long	 strtol(const char *, char **, int);
128long long
129	 strtoll(const char *, char **, int);
130unsigned long
131	 strtoul(const char *, char **, int);
132unsigned long long
133	 strtoull(const char *, char **, int);
134int	 system(const char *);
135
136/* these are currently just stubs */
137int	 mblen(const char *, size_t);
138size_t	 mbstowcs(wchar_t *, const char *, size_t);
139int	 wctomb(char *, wchar_t);
140int	 mbtowc(wchar_t *, const char *, size_t);
141size_t	 wcstombs(char *, const wchar_t *, size_t);
142
143#if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
144#if defined(alloca) && (alloca == __builtin_alloca) && (__GNUC__ < 2)
145void  *alloca(int);     /* built-in for gcc */
146#else
147void  *alloca(size_t);
148#endif /* __GNUC__ */
149
150char	*getbsize(int *, long *);
151char	*cgetcap(char *, const char *, int);
152int	 cgetclose(void);
153int	 cgetent(char **, char **, const char *);
154int	 cgetfirst(char **, char **);
155int	 cgetmatch(char *, const char *);
156int	 cgetnext(char **, char **);
157int	 cgetnum(char *, const char *, long *);
158int	 cgetset(const char *);
159int	 cgetusedb(int);
160int	 cgetstr(char *, const char *, char **);
161int	 cgetustr(char *, const char *, char **);
162
163int	 daemon(int, int);
164char	*devname(int, int);
165int	 getloadavg(double [], int);
166
167long	 a64l(const char *);
168char	*l64a(long);
169
170void	 cfree(void *);
171
172#ifndef _GETOPT_DEFINED_
173#define _GETOPT_DEFINED_
174int	 getopt(int, char * const *, const char *);
175extern	 char *optarg;			/* getopt(3) external variables */
176extern	 int opterr;
177extern	 int optind;
178extern	 int optopt;
179extern	 int optreset;
180int	 getsubopt(char **, char * const *, char **);
181extern	 char *suboptarg;		/* getsubopt(3) external variable */
182#endif /* _GETOPT_DEFINED_ */
183
184int	 heapsort(void *, size_t, size_t, int (*)(const void *, const void *));
185int	 mergesort(void *, size_t, size_t, int (*)(const void *, const void *));
186int	 radixsort(const unsigned char **, int, const unsigned char *,
187	    unsigned);
188int	 sradixsort(const unsigned char **, int, const unsigned char *,
189	    unsigned);
190
191char	*initstate(unsigned int, char *, size_t);
192long	 random(void);
193char	*realpath(const char *, char *);
194char	*setstate(const char *);
195void	 srandom(unsigned int);
196void	 srandomdev(void);
197
198int	 putenv(const char *);
199int	 setenv(const char *, const char *, int);
200void	 unsetenv(const char *);
201void	 setproctitle(const char *, ...)
202	__attribute__((__format__ (__printf__, 1, 2)));
203
204quad_t	 qabs(quad_t);
205qdiv_t	 qdiv(quad_t, quad_t);
206quad_t	 strtoq(const char *, char **, int);
207u_quad_t strtouq(const char *, char **, int);
208
209double	 drand48(void);
210double	 erand48(unsigned short[3]);
211long	 jrand48(unsigned short[3]);
212void	 lcong48(unsigned short[7]);
213long	 lrand48(void);
214long	 mrand48(void);
215long	 nrand48(unsigned short[3]);
216unsigned short *seed48(unsigned short[3]);
217void	 srand48(long);
218
219u_int32_t arc4random(void);
220void	arc4random_stir(void);
221void	arc4random_addrandom(unsigned char *, int);
222#endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */
223
224__END_DECLS
225
226#endif /* _STDLIB_H_ */
227