xref: /freebsd/include/stdlib.h (revision afe61c15161c324a7af299a9b8457aba5afc92db)
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	8.3 (Berkeley) 2/16/94
34  */
35 
36 #ifndef _STDLIB_H_
37 #define _STDLIB_H_
38 
39 #include <machine/ansi.h>
40 
41 #ifdef	_BSD_SIZE_T_
42 typedef	_BSD_SIZE_T_	size_t;
43 #undef	_BSD_SIZE_T_
44 #endif
45 
46 #ifdef	_BSD_WCHAR_T_
47 #ifndef _ANSI_SOURCE
48 typedef	_BSD_WCHAR_T_	rune_t;
49 #endif
50 typedef	_BSD_WCHAR_T_	wchar_t;
51 #undef	_BSD_WCHAR_T_
52 #endif
53 
54 typedef struct {
55 	int quot;		/* quotient */
56 	int rem;		/* remainder */
57 } div_t;
58 
59 typedef struct {
60 	long quot;		/* quotient */
61 	long rem;		/* remainder */
62 } ldiv_t;
63 
64 #ifndef NULL
65 #define	NULL	0
66 #endif
67 
68 #define	EXIT_FAILURE	1
69 #define	EXIT_SUCCESS	0
70 
71 #define	RAND_MAX	0x7fffffff
72 
73 extern int __mb_cur_max;
74 #define	MB_CUR_MAX	__mb_cur_max
75 
76 #include <sys/cdefs.h>
77 
78 __BEGIN_DECLS
79 __dead void
80 	 abort __P((void));
81 __pure int
82 	 abs __P((int));
83 int	 atexit __P((void (*)(void)));
84 double	 atof __P((const char *));
85 int	 atoi __P((const char *));
86 long	 atol __P((const char *));
87 void	*bsearch __P((const void *, const void *, size_t,
88 	    size_t, int (*)(const void *, const void *)));
89 void	*calloc __P((size_t, size_t));
90 __pure div_t
91 	 div __P((int, int));
92 __dead void
93 	 exit __P((int));
94 void	 free __P((void *));
95 char	*getenv __P((const char *));
96 __pure long
97 	 labs __P((long));
98 __pure ldiv_t
99 	 ldiv __P((long, long));
100 void	*malloc __P((size_t));
101 void	 qsort __P((void *, size_t, size_t,
102 	    int (*)(const void *, const void *)));
103 int	 rand __P((void));
104 void	*realloc __P((void *, size_t));
105 void	 srand __P((unsigned));
106 double	 strtod __P((const char *, char **));
107 long	 strtol __P((const char *, char **, int));
108 unsigned long
109 	 strtoul __P((const char *, char **, int));
110 int	 system __P((const char *));
111 
112 /* These are currently just stubs. */
113 int	 mblen __P((const char *, size_t));
114 size_t	 mbstowcs __P((wchar_t *, const char *, size_t));
115 int	 wctomb __P((char *, wchar_t));
116 int	 mbtowc __P((wchar_t *, const char *, size_t));
117 size_t	 wcstombs __P((char *, const wchar_t *, size_t));
118 
119 #ifndef _ANSI_SOURCE
120 int	 putenv __P((const char *));
121 int	 setenv __P((const char *, const char *, int));
122 #endif
123 
124 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
125 void	*alloca __P((size_t));		/* built-in for gcc */
126 					/* getcap(3) functions */
127 char	*getbsize __P((int *, long *));
128 char	*cgetcap __P((char *, char *, int));
129 int	 cgetclose __P((void));
130 int	 cgetent __P((char **, char **, char *));
131 int	 cgetfirst __P((char **, char **));
132 int	 cgetmatch __P((char *, char *));
133 int	 cgetnext __P((char **, char **));
134 int	 cgetnum __P((char *, char *, long *));
135 int	 cgetset __P((char *));
136 int	 cgetstr __P((char *, char *, char **));
137 int	 cgetustr __P((char *, char *, char **));
138 
139 int	 daemon __P((int, int));
140 char	*devname __P((int, int));
141 int	 getloadavg __P((double [], int));
142 
143 extern char *optarg;			/* getopt(3) external variables */
144 extern int opterr, optind, optopt;
145 int	 getopt __P((int, char * const *, const char *));
146 
147 extern char *suboptarg;			/* getsubopt(3) external variable */
148 int	 getsubopt __P((char **, char * const *, char **));
149 
150 char	*group_from_gid __P((unsigned long, int));
151 int	 heapsort __P((void *, size_t, size_t,
152 	    int (*)(const void *, const void *)));
153 char	*initstate __P((unsigned, char *, int));
154 int	 mergesort __P((void *, size_t, size_t,
155 	    int (*)(const void *, const void *)));
156 int	 radixsort __P((const unsigned char **, int, const unsigned char *,
157 	    unsigned));
158 int	 sradixsort __P((const unsigned char **, int, const unsigned char *,
159 	    unsigned));
160 long	 random __P((void));
161 char	*realpath __P((const char *, char resolved_path[]));
162 char	*setstate __P((char *));
163 void	 srandom __P((unsigned));
164 char	*user_from_uid __P((unsigned long, int));
165 #ifndef __STRICT_ANSI__
166 long long
167 	 strtoq __P((const char *, char **, int));
168 unsigned long long
169 	 strtouq __P((const char *, char **, int));
170 #endif
171 void	 unsetenv __P((const char *));
172 #endif
173 __END_DECLS
174 
175 #endif /* _STDLIB_H_ */
176