xref: /freebsd/include/stdlib.h (revision b52b9d56d4e96089873a75f9e29062eec19fabba)
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 #ifndef	__cplusplus
57 #ifdef	_BSD_WCHAR_T_
58 typedef	_BSD_WCHAR_T_	wchar_t;
59 #undef	_BSD_WCHAR_T_
60 #endif
61 #endif
62 
63 typedef struct {
64 	int quot;		/* quotient */
65 	int rem;		/* remainder */
66 } div_t;
67 
68 typedef struct {
69 	long quot;		/* quotient */
70 	long rem;		/* remainder */
71 } ldiv_t;
72 
73 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
74 #ifdef __LONG_LONG_SUPPORTED
75 /* LONGLONG */
76 typedef struct {
77 	long long quot;
78 	long long rem;
79 } lldiv_t;
80 #endif
81 #endif
82 
83 #ifndef NULL
84 #define	NULL	0
85 #endif
86 
87 #define	EXIT_FAILURE	1
88 #define	EXIT_SUCCESS	0
89 
90 #define	RAND_MAX	0x7fffffff
91 
92 extern int __mb_cur_max;
93 #define	MB_CUR_MAX	__mb_cur_max
94 
95 __BEGIN_DECLS
96 void	 abort(void) __dead2;
97 int	 abs(int) __pure2;
98 int	 atexit(void (*)(void));
99 double	 atof(const char *);
100 int	 atoi(const char *);
101 long	 atol(const char *);
102 void	*bsearch(const void *, const void *, size_t,
103 	    size_t, int (*)(const void *, const void *));
104 void	*calloc(size_t, size_t);
105 div_t	 div(int, int) __pure2;
106 void	 exit(int) __dead2;
107 void	 free(void *);
108 char	*getenv(const char *);
109 long	 labs(long) __pure2;
110 ldiv_t	 ldiv(long, long) __pure2;
111 void	*malloc(size_t);
112 void	 qsort(void *, size_t, size_t,
113 	    int (*)(const void *, const void *));
114 int	 rand(void);
115 void	*realloc(void *, size_t);
116 void	 srand(unsigned);
117 double	 strtod(const char *, char **);
118 long	 strtol(const char *, char **, int);
119 unsigned long
120 	 strtoul(const char *, char **, int);
121 int	 system(const char *);
122 
123 int	 mblen(const char *, size_t);
124 size_t	 mbstowcs(wchar_t *, const char *, size_t);
125 int	 wctomb(char *, wchar_t);
126 int	 mbtowc(wchar_t *, const char *, size_t);
127 size_t	 wcstombs(char *, const wchar_t *, size_t);
128 
129 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
130 extern const char *_malloc_options;
131 extern void (*_malloc_message)(const char *p1, const char *p2, const char *p3, const char *p4);
132 
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
144 	*seed48(unsigned short[3]);
145 void	 srand48(long);
146 
147 void	*alloca(size_t);		/* built-in for gcc */
148 					/* getcap(3) functions */
149 __uint32_t
150 	 arc4random(void);
151 void	 arc4random_addrandom(unsigned char *dat, int datlen);
152 void	 arc4random_stir(void);
153 #ifdef __LONG_LONG_SUPPORTED
154 /* LONGLONG */
155 long long
156 	 atoll(const char *);
157 #endif
158 char	*getbsize(int *, long *);
159 char	*cgetcap(char *, const char *, int);
160 int	 cgetclose(void);
161 int	 cgetent(char **, char **, const char *);
162 int	 cgetfirst(char **, char **);
163 int	 cgetmatch(const char *, const char *);
164 int	 cgetnext(char **, char **);
165 int	 cgetnum(char *, const char *, long *);
166 int	 cgetset(const char *);
167 int	 cgetstr(char *, const char *, char **);
168 int	 cgetustr(char *, const char *, char **);
169 
170 int	 daemon(int, int);
171 char	*devname(int, int);
172 int	 getloadavg(double [], int);
173 __const char *
174 	 getprogname(void);
175 
176 int	 heapsort(void *, size_t, size_t, int (*)(const void *, const void *));
177 char	*initstate(unsigned long, char *, long);
178 #ifdef __LONG_LONG_SUPPORTED
179 /* LONGLONG */
180 long long
181 	 llabs(long long) __pure2;
182 lldiv_t	 lldiv(long long, long long) __pure2;
183 #endif
184 int	 mergesort(void *, size_t, size_t, int (*)(const void *, const void *));
185 int	 radixsort(const unsigned char **, int, const unsigned char *,
186 	    unsigned);
187 int	 sradixsort(const unsigned char **, int, const unsigned char *,
188 	    unsigned);
189 int	 rand_r(unsigned *);
190 long	 random(void);
191 void    *reallocf(void *, size_t);
192 char	*realpath(const char *, char resolved_path[]);
193 void	 setprogname(const char *);
194 char	*setstate(char *);
195 void	 sranddev(void);
196 void	 srandom(unsigned long);
197 void	 srandomdev(void);
198 #ifdef __LONG_LONG_SUPPORTED
199 /* LONGLONG */
200 long long
201 	 strtoll(const char *, char **, int);
202 #endif
203 __int64_t	 strtoq(const char *, char **, int);
204 #ifdef __LONG_LONG_SUPPORTED
205 /* LONGLONG */
206 unsigned long long
207 	 strtoull(const char *, char **, int);
208 #endif
209 __uint64_t
210 	 strtouq(const char *, char **, int);
211 void	 unsetenv(const char *);
212 #endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */
213 __END_DECLS
214 
215 #endif /* !_STDLIB_H_ */
216