xref: /freebsd/include/stdlib.h (revision 3ff369fed2a08f32dda232c10470b949bef9489f)
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 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
72 #ifdef __LONG_LONG_SUPPORTED
73 typedef struct {
74 	long long quot;
75 	long long rem;
76 } lldiv_t;
77 #endif
78 #endif
79 
80 #ifndef NULL
81 #define	NULL	0
82 #endif
83 
84 #define	EXIT_FAILURE	1
85 #define	EXIT_SUCCESS	0
86 
87 #define	RAND_MAX	0x7fffffff
88 
89 extern int __mb_cur_max;
90 #define	MB_CUR_MAX	__mb_cur_max
91 
92 __BEGIN_DECLS
93 void	 abort(void) __dead2;
94 int	 abs(int) __pure2;
95 int	 atexit(void (*)(void));
96 double	 atof(const char *);
97 int	 atoi(const char *);
98 long	 atol(const char *);
99 void	*bsearch(const void *, const void *, size_t,
100 	    size_t, int (*)(const void *, const void *));
101 void	*calloc(size_t, size_t);
102 div_t	 div(int, int) __pure2;
103 void	 exit(int) __dead2;
104 void	 free(void *);
105 char	*getenv(const char *);
106 long	 labs(long) __pure2;
107 ldiv_t	 ldiv(long, long) __pure2;
108 void	*malloc(size_t);
109 void	 qsort(void *, size_t, size_t,
110 	    int (*)(const void *, const void *));
111 int	 rand(void);
112 void	*realloc(void *, size_t);
113 void	 srand(unsigned);
114 double	 strtod(const char *, char **);
115 long	 strtol(const char *, char **, int);
116 unsigned long
117 	 strtoul(const char *, char **, int);
118 int	 system(const char *);
119 
120 int	 mblen(const char *, size_t);
121 size_t	 mbstowcs(wchar_t *, const char *, size_t);
122 int	 wctomb(char *, wchar_t);
123 int	 mbtowc(wchar_t *, const char *, size_t);
124 size_t	 wcstombs(char *, const wchar_t *, size_t);
125 
126 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
127 extern const char *_malloc_options;
128 extern void (*_malloc_message)(const char *p1, const char *p2, const char *p3, const char *p4);
129 
130 int	 putenv(const char *);
131 int	 setenv(const char *, const char *, int);
132 
133 double	 drand48(void);
134 double	 erand48(unsigned short[3]);
135 long	 jrand48(unsigned short[3]);
136 void	 lcong48(unsigned short[7]);
137 long	 lrand48(void);
138 long	 mrand48(void);
139 long	 nrand48(unsigned short[3]);
140 unsigned short
141 	*seed48(unsigned short[3]);
142 void	 srand48(long);
143 
144 void	*alloca(size_t);		/* built-in for gcc */
145 					/* getcap(3) functions */
146 __uint32_t
147 	 arc4random(void);
148 void	 arc4random_addrandom(unsigned char *dat, int datlen);
149 void	 arc4random_stir(void);
150 #ifdef __LONG_LONG_SUPPORTED
151 long long
152 	 atoll(const char *);
153 #endif
154 char	*getbsize(int *, long *);
155 char	*cgetcap(char *, const char *, int);
156 int	 cgetclose(void);
157 int	 cgetent(char **, char **, const char *);
158 int	 cgetfirst(char **, char **);
159 int	 cgetmatch(const char *, const char *);
160 int	 cgetnext(char **, char **);
161 int	 cgetnum(char *, const char *, long *);
162 int	 cgetset(const char *);
163 int	 cgetstr(char *, const char *, char **);
164 int	 cgetustr(char *, const char *, char **);
165 
166 int	 daemon(int, int);
167 char	*devname(int, int);
168 int	 getloadavg(double [], int);
169 __const char *
170 	 getprogname(void);
171 
172 int	 heapsort(void *, size_t, size_t, int (*)(const void *, const void *));
173 char	*initstate(unsigned long, char *, long);
174 #ifdef __LONG_LONG_SUPPORTED
175 long long
176 	 llabs(long long) __pure2;
177 lldiv_t	 lldiv(long long, long long) __pure2;
178 #endif
179 int	 mergesort(void *, size_t, size_t, int (*)(const void *, const void *));
180 int	 radixsort(const unsigned char **, int, const unsigned char *,
181 	    unsigned);
182 int	 sradixsort(const unsigned char **, int, const unsigned char *,
183 	    unsigned);
184 int	 rand_r(unsigned *);
185 long	 random(void);
186 void    *reallocf(void *, size_t);
187 char	*realpath(const char *, char resolved_path[]);
188 void	 setprogname(const char *);
189 char	*setstate(char *);
190 void	 sranddev(void);
191 void	 srandom(unsigned long);
192 void	 srandomdev(void);
193 #ifdef __LONG_LONG_SUPPORTED
194 long long
195 	 strtoll(const char *, char **, int);
196 #endif
197 __int64_t	 strtoq(const char *, char **, int);
198 #ifdef __LONG_LONG_SUPPORTED
199 unsigned long long
200 	 strtoull(const char *, char **, int);
201 #endif
202 __uint64_t
203 	 strtouq(const char *, char **, int);
204 void	 unsetenv(const char *);
205 #endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */
206 __END_DECLS
207 
208 #endif /* !_STDLIB_H_ */
209