xref: /dflybsd-src/include/stdlib.h (revision 53e987cee557d989dbf172d8a3c2ade9ea6fc46f)
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 1.10 2005/04/21 16:36:34 joerg 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 #ifndef __cplusplus
48 #ifndef _WCHAR_T_DECLARED
49 #define _WCHAR_T_DECLARED
50 typedef __wchar_t	wchar_t;
51 #endif
52 #endif
53 
54 #ifndef _SIZE_T_DECLARED
55 #define _SIZE_T_DECLARED
56 typedef __size_t	size_t;
57 #endif
58 
59 typedef struct {
60 	int quot;		/* quotient */
61 	int rem;		/* remainder */
62 } div_t;
63 
64 typedef struct {
65 	long quot;		/* quotient */
66 	long rem;		/* remainder */
67 } ldiv_t;
68 
69 #ifndef NULL
70 #define	NULL	0
71 #endif
72 
73 #define	EXIT_FAILURE	1
74 #define	EXIT_SUCCESS	0
75 
76 #define	RAND_MAX	0x7fffffff
77 
78 extern int __mb_cur_max;
79 #define	MB_CUR_MAX	__mb_cur_max
80 
81 __BEGIN_DECLS
82 void	 _Exit(int) __dead2;
83 void	 abort(void) __dead2;
84 int	 abs(int) __pure2;
85 int	 atexit(void (*)(void));
86 double	 atof(const char *);
87 int	 atoi(const char *);
88 long	 atol(const char *);
89 void	*bsearch(const void *, const void *, size_t,
90 		 size_t, int (*)(const void *, const void *));
91 void	*calloc(size_t, size_t);
92 div_t	 div(int, int) __pure2;
93 void	 exit(int) __dead2;
94 void	 free(void *);
95 char	*getenv(const char *);
96 long	 labs(long) __pure2;
97 ldiv_t	 ldiv(long, long) __pure2;
98 void	*malloc(size_t);
99 void	 qsort(void *, size_t, size_t, int(*)(const void *, const void *));
100 int	 rand(void);
101 void	*realloc(void *, size_t);
102 void	 srand(unsigned);
103 double	 strtod(const char *, char **);
104 long	 strtol(const char *, char **, int);
105 unsigned long	strtoul(const char *, char **, int);
106 #ifdef __LONG_LONG_SUPPORTED
107 long long	strtoll(const char *, char **, int);
108 unsigned long long strtoull(const char *, char **, int);
109 #endif
110 int	 system(const char *);
111 
112 int	 mblen(const char *, size_t);
113 size_t	 mbstowcs(wchar_t *, const char *, size_t);
114 int	 wctomb(char *, wchar_t);
115 int	 mbtowc(wchar_t *, const char *, size_t);
116 size_t	 wcstombs(char *, const wchar_t *, size_t);
117 
118 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
119 int	 putenv(const char *);
120 int	 setenv(const char *, const char *, int);
121 
122 double	 drand48(void);
123 double	 erand48(unsigned short[3]);
124 long	 jrand48(unsigned short[3]);
125 void	 lcong48(unsigned short[7]);
126 long	 lrand48(void);
127 long	 mrand48(void);
128 long	 nrand48(unsigned short[3]);
129 unsigned short *seed48(unsigned short[3]);
130 void	 srand48(long);
131 
132 void	*alloca(size_t);		/* built-in for gcc */
133 					/* getcap(3) functions */
134 __uint32_t arc4random(void);
135 void	 arc4random_addrandom(unsigned char *, int);
136 void	 arc4random_stir(void);
137 char	*getbsize(int *, long *);
138 char	*cgetcap(char *, char *, int);
139 int	 cgetclose(void);
140 int	 cgetent(char **, char **, char *);
141 int	 cgetfirst(char **, char **);
142 int	 cgetmatch(char *, char *);
143 int	 cgetnext(char **, char **);
144 int	 cgetnum(char *, char *, long *);
145 int	 cgetset(char *);
146 int	 cgetstr(char *, char *, char **);
147 int	 cgetustr(char *, char *, char **);
148 
149 int	 daemon(int, int);
150 char	*devname(int, int);
151 char	*devname_r(int, int, char *, size_t);
152 int	 getloadavg(double [], int);
153 const char *getprogname(void);
154 
155 char	*group_from_gid(unsigned long, int);
156 int	 heapsort(void *, size_t, size_t, int (*)(const void *, const void *));
157 char	*initstate(unsigned long, char *, long);
158 int	 mergesort(void *, size_t, size_t, int (*)(const void *, const void *));
159 int	 radixsort(const unsigned char **, int, const unsigned char *,
160 		   unsigned int);
161 int	 sradixsort(const unsigned char **, int, const unsigned char *,
162 		    unsigned int);
163 int	 rand_r(unsigned *);
164 long	 random(void);
165 void    *reallocf(void *, size_t);
166 char	*realpath(const char *, char []);
167 void	 setprogname(const char *);
168 char	*setstate(char *);
169 void	 srandom(unsigned long);
170 void	 srandomdev(void);
171 char	*user_from_uid(unsigned long, int);
172 #ifndef __STRICT_ANSI__
173 __int64_t	strtoq(const char *, char **, int);
174 __uint64_t	strtouq(const char *, char **, int);
175 
176 #ifdef __LONG_LONG_SUPPORTED
177 unsigned long long strtonum(const char *, long long, unsigned long long,
178 			    const char **);
179 #endif
180 #endif
181 void	 unsetenv(const char *);
182 #endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */
183 __END_DECLS
184 
185 #endif /* !_STDLIB_H_ */
186