xref: /dragonfly/include/stdlib.h (revision 299d9671)
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 1.22 2008/06/05 17:53:10 swildner Exp $
36  */
37 
38 #ifndef _STDLIB_H_
39 #define	_STDLIB_H_
40 
41 #include <sys/cdefs.h>
42 #include <sys/types.h>
43 
44 #ifndef _SYS_STDINT_H_
45 #include <sys/stdint.h>
46 #endif
47 
48 #ifndef __cplusplus
49 #ifndef _WCHAR_T_DECLARED
50 #define _WCHAR_T_DECLARED
51 typedef __wchar_t	wchar_t;
52 #endif
53 #endif
54 
55 #ifndef _SIZE_T_DECLARED
56 #define _SIZE_T_DECLARED
57 typedef __size_t	size_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 __ISO_C_VISIBLE >= 1999
71 typedef struct {
72         long long quot;
73         long long rem;
74 } lldiv_t;
75 #endif
76 
77 #include <sys/_null.h>
78 
79 #define	EXIT_FAILURE	1
80 #define	EXIT_SUCCESS	0
81 
82 #define	RAND_MAX	0x7fffffff
83 
84 extern int __mb_cur_max;
85 #define	MB_CUR_MAX	__mb_cur_max
86 
87 __BEGIN_DECLS
88 void	 _Exit(int) __dead2;
89 void	 abort(void) __dead2;
90 int	 abs(int) __pure2;
91 int	 atexit(void (*)(void));
92 double	 atof(const char *);
93 int	 atoi(const char *);
94 long	 atol(const char *);
95 void	*bsearch(const void *, const void *, size_t,
96 		 size_t, int (*)(const void *, const void *));
97 void	*calloc(size_t, size_t);
98 div_t	 div(int, int) __pure2;
99 void	 exit(int) __dead2;
100 void	 free(void *);
101 char	*getenv(const char *);
102 long	 labs(long) __pure2;
103 ldiv_t	 ldiv(long, long) __pure2;
104 #if __ISO_C_VISIBLE >= 1999
105 lldiv_t	 lldiv(long long, long long) __pure2;
106 #endif
107 void	*malloc(size_t);
108 void	 qsort(void *, size_t, size_t, int(*)(const void *, const void *));
109 int	 rand(void);
110 void	*realloc(void *, size_t);
111 void	 srand(unsigned);
112 double	 strtod(const char *, char **);
113 #ifdef __LONG_LONG_SUPPORTED
114 long long int	atoll(const char *);
115 long long	llabs(long long) __pure2;
116 long long	strtoll(const char *, char **, int);
117 unsigned long long strtoull(const char *, char **, int);
118 #endif
119 int	 system(const char *);
120 
121 #if !defined(_KERNEL_VIRTUAL)
122 long	 strtol(const char *, char **, int);
123 unsigned long	strtoul(const char *, char **, int);
124 #endif
125 
126 int	 mblen(const char *, size_t);
127 size_t	 mbstowcs(wchar_t *, const char *, size_t);
128 int	 wctomb(char *, wchar_t);
129 int	 mbtowc(wchar_t *, const char *, size_t);
130 size_t	 wcstombs(char *, const wchar_t *, size_t);
131 
132 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
133 int	 putenv(const char *);
134 int	 setenv(const char *, const char *, int);
135 
136 double	 drand48(void);
137 double	 erand48(unsigned short[3]);
138 long	 jrand48(unsigned short[3]);
139 void	 lcong48(unsigned short[7]);
140 long	 lrand48(void);
141 long	 mrand48(void);
142 long	 nrand48(unsigned short[3]);
143 unsigned short *seed48(unsigned short[3]);
144 void	 srand48(long);
145 
146 void	*alloca(size_t);		/* built-in for gcc */
147 					/* getcap(3) functions */
148 __uint32_t arc4random(void);
149 void	 arc4random_addrandom(__uint8_t *, size_t);
150 void	 arc4random_stir(void);
151 char	*getbsize(int *, long *);
152 char	*cgetcap(char *, char *, int);
153 int	 cgetclose(void);
154 int	 cgetent(char **, char **, char *);
155 int	 cgetfirst(char **, char **);
156 int	 cgetmatch(char *, char *);
157 int	 cgetnext(char **, char **);
158 int	 cgetnum(char *, char *, long *);
159 int	 cgetset(char *);
160 int	 cgetstr(char *, char *, char **);
161 int	 cgetustr(char *, char *, char **);
162 
163 int	 daemon(int, int);
164 char	*devname(dev_t, mode_t);
165 char	*devname_r(dev_t, mode_t, char *, size_t);
166 int	 getloadavg(double [], int);
167 const char *getprogname(void);
168 
169 int	 heapsort(void *, size_t, size_t, int (*)(const void *, const void *));
170 char	*initstate(unsigned long, char *, long);
171 int	 mergesort(void *, size_t, size_t, int (*)(const void *, const void *));
172 int	 radixsort(const unsigned char **, int, const unsigned char *,
173 		   unsigned int);
174 int	 sradixsort(const unsigned char **, int, const unsigned char *,
175 		    unsigned int);
176 int	 rand_r(unsigned *);
177 long	 random(void);
178 void    *reallocf(void *, size_t);
179 char	*realpath(const char *, char []);
180 void	 setprogname(const char *);
181 char	*setstate(char *);
182 void	 srandom(unsigned long);
183 void	 srandomdev(void);
184 
185 #if !defined(__STRICT_ANSI__) && !defined(_KERNEL_VIRTUAL)
186 __int64_t	strtoq(const char *, char **, int);
187 __uint64_t	strtouq(const char *, char **, int);
188 #endif
189 
190 #ifndef __STRICT_ANSI__
191 #ifdef __LONG_LONG_SUPPORTED
192 long long
193 	 strtonum(const char *, long long, long long, const char **);
194 #endif
195 #endif
196 void	 unsetenv(const char *);
197 #endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */
198 __END_DECLS
199 
200 #endif /* !_STDLIB_H_ */
201