xref: /dflybsd-src/include/stdlib.h (revision 064e1fb31f522fb9804a689dd25f42073f1b79e5)
1 /*-
2  * Copyright (c) 1990, 1993
3  *	The Regents of the University of California.  All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. All advertising materials mentioning features or use of this software
14  *    must display the following acknowledgement:
15  *	This product includes software developed by the University of
16  *	California, Berkeley and its contributors.
17  * 4. Neither the name of the University nor the names of its contributors
18  *    may be used to endorse or promote products derived from this software
19  *    without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31  * SUCH DAMAGE.
32  *
33  *	@(#)stdlib.h	8.5 (Berkeley) 5/19/95
34  * $FreeBSD: src/include/stdlib.h,v 1.16.2.5 2002/12/13 01:34:00 tjr Exp $
35  * $DragonFly: src/include/stdlib.h,v 1.3 2003/11/09 02:22:28 dillon Exp $
36  */
37 
38 #ifndef _STDLIB_H_
39 #define	_STDLIB_H_
40 
41 #include <sys/cdefs.h>
42 
43 #ifndef _SYS_STDINT_H_
44 #include <sys/stdint.h>
45 #endif
46 
47 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
48 #ifndef _RUNE_T_DECLARED_
49 #define _RUNE_T_DECLARED_
50 typedef __rune_t	rune_t;
51 #endif
52 #endif
53 
54 #ifndef __cplusplus
55 #ifndef _WCHAR_T_DECLARED_
56 #define _WCHAR_T_DECLARED_
57 typedef __wchar_t	wchar_t;
58 #endif
59 #endif
60 
61 #ifndef _SIZE_T_DECLARED_
62 #define _SIZE_T_DECLARED_
63 typedef __size_t	size_t;
64 #endif
65 
66 typedef struct {
67 	int quot;		/* quotient */
68 	int rem;		/* remainder */
69 } div_t;
70 
71 typedef struct {
72 	long quot;		/* quotient */
73 	long rem;		/* remainder */
74 } ldiv_t;
75 
76 #ifndef NULL
77 #define	NULL	0
78 #endif
79 
80 #define	EXIT_FAILURE	1
81 #define	EXIT_SUCCESS	0
82 
83 #define	RAND_MAX	0x7fffffff
84 
85 extern int __mb_cur_max;
86 #define	MB_CUR_MAX	__mb_cur_max
87 
88 __BEGIN_DECLS
89 void	 abort __P((void)) __dead2;
90 int	 abs __P((int)) __pure2;
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)) __pure2;
99 void	 exit __P((int)) __dead2;
100 void	 free __P((void *));
101 char	*getenv __P((const char *));
102 long	 labs __P((long)) __pure2;
103 ldiv_t	 ldiv __P((long, long)) __pure2;
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 void	*realloc __P((void *, size_t));
109 void	 srand __P((unsigned));
110 double	 strtod __P((const char *, char **));
111 long	 strtol __P((const char *, char **, int));
112 #ifdef __LONG_LONG_SUPPORTED
113 long long
114 	 strtoll __P((const char *, char **, int));
115 #endif
116 unsigned long
117 	 strtoul __P((const char *, char **, int));
118 #ifdef __LONG_LONG_SUPPORTED
119 unsigned long long
120 	 strtoull __P((const char *, char **, int));
121 #endif
122 int	 system __P((const char *));
123 
124 int	 mblen __P((const char *, size_t));
125 size_t	 mbstowcs __P((wchar_t *, const char *, size_t));
126 int	 wctomb __P((char *, wchar_t));
127 int	 mbtowc __P((wchar_t *, const char *, size_t));
128 size_t	 wcstombs __P((char *, const wchar_t *, size_t));
129 
130 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
131 int	 putenv __P((const char *));
132 int	 setenv __P((const char *, const char *, int));
133 
134 double	 drand48 __P((void));
135 double	 erand48 __P((unsigned short[3]));
136 long	 jrand48 __P((unsigned short[3]));
137 void	 lcong48 __P((unsigned short[7]));
138 long	 lrand48 __P((void));
139 long	 mrand48 __P((void));
140 long	 nrand48 __P((unsigned short[3]));
141 unsigned short
142 	*seed48 __P((unsigned short[3]));
143 void	 srand48 __P((long));
144 
145 void	*alloca __P((size_t));		/* built-in for gcc */
146 					/* getcap(3) functions */
147 __uint32_t
148 	 arc4random __P((void));
149 void	 arc4random_addrandom __P((unsigned char *dat, int datlen));
150 void	 arc4random_stir __P((void));
151 char	*getbsize __P((int *, long *));
152 char	*cgetcap __P((char *, char *, int));
153 int	 cgetclose __P((void));
154 int	 cgetent __P((char **, char **, char *));
155 int	 cgetfirst __P((char **, char **));
156 int	 cgetmatch __P((char *, char *));
157 int	 cgetnext __P((char **, char **));
158 int	 cgetnum __P((char *, char *, long *));
159 int	 cgetset __P((char *));
160 int	 cgetstr __P((char *, char *, char **));
161 int	 cgetustr __P((char *, char *, char **));
162 
163 int	 daemon __P((int, int));
164 char	*devname __P((int, int));
165 int	 getloadavg __P((double [], int));
166 __const char *
167 	getprogname __P((void));
168 
169 char	*group_from_gid __P((unsigned long, int));
170 int	 heapsort __P((void *, size_t, size_t,
171 	    int (*)(const void *, const void *)));
172 char	*initstate __P((unsigned long, char *, long));
173 int	 mergesort __P((void *, size_t, size_t,
174 	    int (*)(const void *, const void *)));
175 int	 radixsort __P((const unsigned char **, int, const unsigned char *,
176 	    unsigned));
177 int	 sradixsort __P((const unsigned char **, int, const unsigned char *,
178 	    unsigned));
179 int	 rand_r __P((unsigned *));
180 long	 random __P((void));
181 void    *reallocf __P((void *, size_t));
182 char	*realpath __P((const char *, char resolved_path[]));
183 void	 setprogname __P((const char *));
184 char	*setstate __P((char *));
185 void	 srandom __P((unsigned long));
186 void	 srandomdev __P((void));
187 char	*user_from_uid __P((unsigned long, int));
188 #ifndef __STRICT_ANSI__
189 __int64_t	 strtoq __P((const char *, char **, int));
190 __uint64_t
191 	 strtouq __P((const char *, char **, int));
192 #endif
193 void	 unsetenv __P((const char *));
194 #endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */
195 __END_DECLS
196 
197 #endif /* !_STDLIB_H_ */
198