xref: /openbsd-src/include/stdlib.h (revision b2ea75c1b17e1a9a339660e7ed45cd24946b230e)
1 /*	$OpenBSD: stdlib.h,v 1.13 2001/06/18 18:11:12 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. All advertising materials mentioning features or use of this software
17  *    must display the following acknowledgement:
18  *	This product includes software developed by the University of
19  *	California, Berkeley and its contributors.
20  * 4. Neither the name of the University nor the names of its contributors
21  *    may be used to endorse or promote products derived from this software
22  *    without specific prior written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34  * SUCH DAMAGE.
35  *
36  *	@(#)stdlib.h	5.13 (Berkeley) 6/4/91
37  */
38 
39 #ifndef _STDLIB_H_
40 #define _STDLIB_H_
41 #include <machine/ansi.h>
42 
43 #if !defined(_ANSI_SOURCE)	/* for quad_t, etc. */
44 #include <sys/types.h>
45 #endif
46 
47 #ifdef	_BSD_SIZE_T_
48 typedef	_BSD_SIZE_T_	size_t;
49 #undef	_BSD_SIZE_T_
50 #endif
51 
52 #ifdef	_BSD_WCHAR_T_
53 /* in C++, wchar_t is a built-in type */
54 #ifndef __cplusplus
55 typedef	_BSD_WCHAR_T_	wchar_t;
56 #endif
57 #undef	_BSD_WCHAR_T_
58 #endif
59 
60 typedef struct {
61 	int quot;		/* quotient */
62 	int rem;		/* remainder */
63 } div_t;
64 
65 typedef struct {
66 	long quot;		/* quotient */
67 	long rem;		/* remainder */
68 } ldiv_t;
69 
70 #if !defined(_ANSI_SOURCE)
71 typedef struct {
72 	quad_t quot;		/* quotient */
73 	quad_t rem;		/* remainder */
74 } qdiv_t;
75 #endif
76 
77 
78 #ifndef	NULL
79 #ifdef 	__GNUG__
80 #define NULL	__null
81 #else
82 #define	NULL	0
83 #endif
84 #endif
85 
86 #define	EXIT_FAILURE	1
87 #define	EXIT_SUCCESS	0
88 
89 #define	RAND_MAX	0x7fffffff
90 
91 #define	MB_CUR_MAX	1	/* XXX */
92 
93 #include <sys/cdefs.h>
94 
95 __BEGIN_DECLS
96 __dead void	 abort __P((void));
97 int	 abs __P((int));
98 int	 atexit __P((void (*)(void)));
99 double	 atof __P((const char *));
100 int	 atoi __P((const char *));
101 long	 atol __P((const char *));
102 void	*bsearch __P((const void *, const void *, size_t,
103 	    size_t, int (*)(const void *, const void *)));
104 void	*calloc __P((size_t, size_t));
105 div_t	 div __P((int, int));
106 __dead void	 exit __P((int));
107 void	 free __P((void *));
108 char	*getenv __P((const char *));
109 long	 labs __P((long));
110 ldiv_t	 ldiv __P((long, long));
111 void	*malloc __P((size_t));
112 void	 qsort __P((void *, size_t, size_t,
113 	    int (*)(const void *, const void *)));
114 int	 rand __P((void));
115 int	 rand_r __P((unsigned int *));
116 void	*realloc __P((void *, size_t));
117 void	 srand __P((unsigned));
118 double	 strtod __P((const char *, char **));
119 long	 strtol __P((const char *, char **, int));
120 unsigned long
121 	 strtoul __P((const char *, char **, int));
122 int	 system __P((const char *));
123 
124 /* these are currently just stubs */
125 int	 mblen __P((const char *, size_t));
126 size_t	 mbstowcs __P((wchar_t *, const char *, size_t));
127 int	 wctomb __P((char *, wchar_t));
128 int	 mbtowc __P((wchar_t *, const char *, size_t));
129 size_t	 wcstombs __P((char *, const wchar_t *, size_t));
130 
131 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
132 #if defined(alloca) && (alloca == __builtin_alloca) && (__GNUC__ < 2)
133 void  *alloca __P((int));     /* built-in for gcc */
134 #else
135 void  *alloca __P((size_t));
136 #endif /* __GNUC__ */
137 
138 char	*getbsize __P((int *, long *));
139 char	*cgetcap __P((char *, const char *, int));
140 int	 cgetclose __P((void));
141 int	 cgetent __P((char **, char **, const char *));
142 int	 cgetfirst __P((char **, char **));
143 int	 cgetmatch __P((char *, const char *));
144 int	 cgetnext __P((char **, char **));
145 int	 cgetnum __P((char *, const char *, long *));
146 int	 cgetset __P((const char *));
147 int	 cgetusedb __P((int));
148 int	 cgetstr __P((char *, const char *, char **));
149 int	 cgetustr __P((char *, const char *, char **));
150 
151 int	 daemon __P((int, int));
152 char	*devname __P((int, int));
153 int	 getloadavg __P((double [], int));
154 
155 long	 a64l __P((const char *));
156 char	*l64a __P((long));
157 
158 void	 cfree __P((void *));
159 
160 int	 getopt __P((int, char * const *, const char *));
161 extern	 char *optarg;			/* getopt(3) external variables */
162 extern	 int opterr;
163 extern	 int optind;
164 extern	 int optopt;
165 extern	 int optreset;
166 int	 getsubopt __P((char **, char * const *, char **));
167 extern	 char *suboptarg;		/* getsubopt(3) external variable */
168 
169 int	 heapsort __P((void *, size_t, size_t,
170 	    int (*)(const void *, const void *)));
171 int	 mergesort __P((void *, size_t, size_t,
172 	    int (*)(const void *, const void *)));
173 int	 radixsort __P((const unsigned char **, int, const unsigned char *,
174 	    unsigned));
175 int	 sradixsort __P((const unsigned char **, int, const unsigned char *,
176 	    unsigned));
177 
178 char	*initstate __P((unsigned int, char *, size_t));
179 long	 random __P((void));
180 char	*realpath __P((const char *, char *));
181 char	*setstate __P((const char *));
182 void	 srandom __P((unsigned int));
183 void	 srandomdev __P((void));
184 
185 int	 putenv __P((const char *));
186 int	 setenv __P((const char *, const char *, int));
187 void	 unsetenv __P((const char *));
188 void	 setproctitle __P((const char *, ...));
189 
190 quad_t	 qabs __P((quad_t));
191 qdiv_t	 qdiv __P((quad_t, quad_t));
192 quad_t	 strtoq __P((const char *, char **, int));
193 u_quad_t strtouq __P((const char *, char **, int));
194 
195 double	 drand48 __P((void));
196 double	 erand48 __P((unsigned short[3]));
197 long	 jrand48 __P((unsigned short[3]));
198 void	 lcong48 __P((unsigned short[7]));
199 long	 lrand48 __P((void));
200 long	 mrand48 __P((void));
201 long	 nrand48 __P((unsigned short[3]));
202 unsigned short *seed48 __P((unsigned short[3]));
203 void	 srand48 __P((long));
204 
205 u_int32_t arc4random __P((void));
206 void	arc4random_stir __P((void));
207 void	arc4random_addrandom __P((unsigned char *, int));
208 #endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */
209 
210 __END_DECLS
211 
212 #endif /* _STDLIB_H_ */
213