xref: /freebsd/include/stdlib.h (revision daf1cffce2e07931f27c6c6998652e90df6ba87e)
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  * $FreeBSD$
35  */
36 
37 #ifndef _STDLIB_H_
38 #define	_STDLIB_H_
39 
40 #include <sys/cdefs.h>
41 
42 #include <machine/ansi.h>
43 
44 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
45 #ifdef	_BSD_RUNE_T_
46 typedef	_BSD_RUNE_T_	rune_t;
47 #undef	_BSD_RUNE_T_
48 #endif
49 #endif
50 
51 #ifdef	_BSD_SIZE_T_
52 typedef	_BSD_SIZE_T_	size_t;
53 #undef	_BSD_SIZE_T_
54 #endif
55 
56 #ifdef	_BSD_WCHAR_T_
57 typedef	_BSD_WCHAR_T_	wchar_t;
58 #undef	_BSD_WCHAR_T_
59 #endif
60 
61 typedef struct {
62 	int quot;		/* quotient */
63 	int rem;		/* remainder */
64 } div_t;
65 
66 typedef struct {
67 	long quot;		/* quotient */
68 	long rem;		/* remainder */
69 } ldiv_t;
70 
71 #ifndef NULL
72 #define	NULL	0
73 #endif
74 
75 #define	EXIT_FAILURE	1
76 #define	EXIT_SUCCESS	0
77 
78 #define	RAND_MAX	0x7fffffff
79 
80 extern int __mb_cur_max;
81 #define	MB_CUR_MAX	__mb_cur_max
82 
83 __BEGIN_DECLS
84 void	 abort __P((void)) __dead2;
85 int	 abs __P((int)) __pure2;
86 int	 atexit __P((void (*)(void)));
87 double	 atof __P((const char *));
88 int	 atoi __P((const char *));
89 long	 atol __P((const char *));
90 void	*bsearch __P((const void *, const void *, size_t,
91 	    size_t, int (*)(const void *, const void *)));
92 void	*calloc __P((size_t, size_t));
93 div_t	 div __P((int, int)) __pure2;
94 void	 exit __P((int)) __dead2;
95 void	 free __P((void *));
96 char	*getenv __P((const char *));
97 long	 labs __P((long)) __pure2;
98 ldiv_t	 ldiv __P((long, long)) __pure2;
99 void	*malloc __P((size_t));
100 void	 qsort __P((void *, size_t, size_t,
101 	    int (*)(const void *, const void *)));
102 int	 rand __P((void));
103 void	*realloc __P((void *, size_t));
104 void	 srand __P((unsigned));
105 double	 strtod __P((const char *, char **));
106 long	 strtol __P((const char *, char **, int));
107 unsigned long
108 	 strtoul __P((const char *, char **, int));
109 int	 system __P((const char *));
110 
111 int	 mblen __P((const char *, size_t));
112 size_t	 mbstowcs __P((wchar_t *, const char *, size_t));
113 int	 wctomb __P((char *, wchar_t));
114 int	 mbtowc __P((wchar_t *, const char *, size_t));
115 size_t	 wcstombs __P((char *, const wchar_t *, size_t));
116 
117 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
118 int	 putenv __P((const char *));
119 int	 setenv __P((const char *, const char *, int));
120 
121 double	 drand48 __P((void));
122 double	 erand48 __P((unsigned short[3]));
123 long	 jrand48 __P((unsigned short[3]));
124 void	 lcong48 __P((unsigned short[7]));
125 long	 lrand48 __P((void));
126 long	 mrand48 __P((void));
127 long	 nrand48 __P((unsigned short[3]));
128 unsigned short
129 	*seed48 __P((unsigned short[3]));
130 void	 srand48 __P((long));
131 
132 void	*alloca __P((size_t));		/* built-in for gcc */
133 					/* getcap(3) functions */
134 __uint32_t
135 	 arc4random __P((void));
136 void	 arc4random_addrandom __P((unsigned char *dat, int datlen));
137 void	 arc4random_stir __P((void));
138 char	*getbsize __P((int *, long *));
139 char	*cgetcap __P((char *, char *, int));
140 int	 cgetclose __P((void));
141 int	 cgetent __P((char **, char **, char *));
142 int	 cgetfirst __P((char **, char **));
143 int	 cgetmatch __P((char *, char *));
144 int	 cgetnext __P((char **, char **));
145 int	 cgetnum __P((char *, char *, long *));
146 int	 cgetset __P((char *));
147 int	 cgetstr __P((char *, char *, char **));
148 int	 cgetustr __P((char *, char *, char **));
149 
150 int	 daemon __P((int, int));
151 char	*devname __P((int, int));
152 int	 getloadavg __P((double [], int));
153 
154 char	*group_from_gid __P((unsigned long, int));
155 int	 heapsort __P((void *, size_t, size_t,
156 	    int (*)(const void *, const void *)));
157 char	*initstate __P((unsigned long, char *, long));
158 int	 mergesort __P((void *, size_t, size_t,
159 	    int (*)(const void *, const void *)));
160 int	 radixsort __P((const unsigned char **, int, const unsigned char *,
161 	    unsigned));
162 int	 sradixsort __P((const unsigned char **, int, const unsigned char *,
163 	    unsigned));
164 int	 rand_r __P((unsigned *));
165 long	 random __P((void));
166 void    *reallocf __P((void *, size_t));
167 char	*realpath __P((const char *, char resolved_path[]));
168 char	*setstate __P((char *));
169 void	 srandom __P((unsigned long));
170 void	 srandomdev __P((void));
171 char	*user_from_uid __P((unsigned long, int));
172 #ifndef __STRICT_ANSI__
173 __int64_t	 strtoq __P((const char *, char **, int));
174 __uint64_t
175 	 strtouq __P((const char *, char **, int));
176 #endif
177 void	 unsetenv __P((const char *));
178 #endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */
179 __END_DECLS
180 
181 #endif /* !_STDLIB_H_ */
182