xref: /openbsd-src/include/stdlib.h (revision 62a742911104f98b9185b2c6b6007d9b1c36396c)
1 /*	$OpenBSD: stdlib.h,v 1.9 1999/02/25 21:40:15 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 typedef	_BSD_WCHAR_T_	wchar_t;
54 #undef	_BSD_WCHAR_T_
55 #endif
56 
57 typedef struct {
58 	int quot;		/* quotient */
59 	int rem;		/* remainder */
60 } div_t;
61 
62 typedef struct {
63 	long quot;		/* quotient */
64 	long rem;		/* remainder */
65 } ldiv_t;
66 
67 #if !defined(_ANSI_SOURCE)
68 typedef struct {
69 	quad_t quot;		/* quotient */
70 	quad_t rem;		/* remainder */
71 } qdiv_t;
72 #endif
73 
74 
75 #ifndef	NULL
76 #define	NULL	0
77 #endif
78 
79 #define	EXIT_FAILURE	1
80 #define	EXIT_SUCCESS	0
81 
82 #define	RAND_MAX	0x7fffffff
83 
84 #define	MB_CUR_MAX	1	/* XXX */
85 
86 #include <sys/cdefs.h>
87 
88 __BEGIN_DECLS
89 __dead void	 abort __P((void));
90 int	 abs __P((int));
91 int	 atexit __P((void (*)(void)));
92 double	 atof __P((const char *));
93 int	 atoi __P((const char *));
94 long	 atol __P((const char *));
95 void	*bsearch __P((const void *, const void *, size_t,
96 	    size_t, int (*)(const void *, const void *)));
97 void	*calloc __P((size_t, size_t));
98 div_t	 div __P((int, int));
99 __dead void	 exit __P((int));
100 void	 free __P((void *));
101 char	*getenv __P((const char *));
102 long	 labs __P((long));
103 ldiv_t	 ldiv __P((long, long));
104 void	*malloc __P((size_t));
105 void	 qsort __P((void *, size_t, size_t,
106 	    int (*)(const void *, const void *)));
107 int	 rand __P((void));
108 int	 rand_r __P((unsigned int *));
109 void	*realloc __P((void *, size_t));
110 void	 srand __P((unsigned));
111 double	 strtod __P((const char *, char **));
112 long	 strtol __P((const char *, char **, int));
113 unsigned long
114 	 strtoul __P((const char *, char **, int));
115 int	 system __P((const char *));
116 
117 /* these are currently just stubs */
118 int	 mblen __P((const char *, size_t));
119 size_t	 mbstowcs __P((wchar_t *, const char *, size_t));
120 int	 wctomb __P((char *, wchar_t));
121 int	 mbtowc __P((wchar_t *, const char *, size_t));
122 size_t	 wcstombs __P((char *, const wchar_t *, size_t));
123 
124 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
125 #if defined(alloca) && (alloca == __builtin_alloca) && (__GNUC__ < 2)
126 void  *alloca __P((int));     /* built-in for gcc */
127 #else
128 void  *alloca __P((size_t));
129 #endif /* __GNUC__ */
130 
131 char	*getbsize __P((int *, long *));
132 char	*cgetcap __P((char *, const char *, int));
133 int	 cgetclose __P((void));
134 int	 cgetent __P((char **, char **, const char *));
135 int	 cgetfirst __P((char **, char **));
136 int	 cgetmatch __P((char *, const char *));
137 int	 cgetnext __P((char **, char **));
138 int	 cgetnum __P((char *, const char *, long *));
139 int	 cgetset __P((const char *));
140 int	 cgetstr __P((char *, const char *, char **));
141 int	 cgetustr __P((char *, const char *, char **));
142 
143 int	 daemon __P((int, int));
144 char	*devname __P((int, int));
145 int	 getloadavg __P((double [], int));
146 
147 long	 a64l __P((const char *));
148 char	*l64a __P((long));
149 
150 void	 cfree __P((void *));
151 
152 int	 getopt __P((int, char * const *, const char *));
153 extern	 char *optarg;			/* getopt(3) external variables */
154 extern	 int opterr;
155 extern	 int optind;
156 extern	 int optopt;
157 extern	 int optreset;
158 int	 getsubopt __P((char **, char * const *, char **));
159 extern	 char *suboptarg;		/* getsubopt(3) external variable */
160 
161 int	 heapsort __P((void *, size_t, size_t,
162 	    int (*)(const void *, const void *)));
163 int	 mergesort __P((void *, size_t, size_t,
164 	    int (*)(const void *, const void *)));
165 int	 radixsort __P((const unsigned char **, int, const unsigned char *,
166 	    unsigned));
167 int	 sradixsort __P((const unsigned char **, int, const unsigned char *,
168 	    unsigned));
169 
170 char	*initstate __P((unsigned int, char *, size_t));
171 long	 random __P((void));
172 char	*realpath __P((const char *, char *));
173 char	*setstate __P((const char *));
174 void	 srandom __P((unsigned int));
175 
176 int	 putenv __P((const char *));
177 int	 setenv __P((const char *, const char *, int));
178 void	 unsetenv __P((const char *));
179 void	 setproctitle __P((const char *, ...));
180 
181 quad_t	 qabs __P((quad_t));
182 qdiv_t	 qdiv __P((quad_t, quad_t));
183 quad_t	 strtoq __P((const char *, char **, int));
184 u_quad_t strtouq __P((const char *, char **, int));
185 
186 double	 drand48 __P((void));
187 double	 erand48 __P((unsigned short[3]));
188 long	 jrand48 __P((unsigned short[3]));
189 void	 lcong48 __P((unsigned short[7]));
190 long	 lrand48 __P((void));
191 long	 mrand48 __P((void));
192 long	 nrand48 __P((unsigned short[3]));
193 unsigned short *seed48 __P((unsigned short[3]));
194 void	 srand48 __P((long));
195 
196 u_int32_t arc4random __P((void));
197 void	arc4random_stir __P((void));
198 void	arc4random_addrandom __P((unsigned char *, int));
199 #endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */
200 
201 __END_DECLS
202 
203 #endif /* _STDLIB_H_ */
204