xref: /freebsd/include/stdlib.h (revision f6b4ae3c82a92ac8cc491468405452b0896c0db8)
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 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
42 #ifdef	_BSD_RUNE_T_
43 typedef	_BSD_RUNE_T_	rune_t;
44 #undef	_BSD_RUNE_T_
45 #endif
46 #endif
47 
48 #ifdef	_BSD_SIZE_T_
49 typedef	_BSD_SIZE_T_	size_t;
50 #undef	_BSD_SIZE_T_
51 #endif
52 
53 #ifdef	_BSD_WCHAR_T_
54 typedef	_BSD_WCHAR_T_	wchar_t;
55 #undef	_BSD_WCHAR_T_
56 #endif
57 
58 typedef struct {
59 	int quot;		/* quotient */
60 	int rem;		/* remainder */
61 } div_t;
62 
63 typedef struct {
64 	long quot;		/* quotient */
65 	long rem;		/* remainder */
66 } ldiv_t;
67 
68 #ifndef NULL
69 #define	NULL	0
70 #endif
71 
72 #define	EXIT_FAILURE	1
73 #define	EXIT_SUCCESS	0
74 
75 #define	RAND_MAX	0x7fffffff
76 
77 extern int __mb_cur_max;
78 #define	MB_CUR_MAX	__mb_cur_max
79 
80 #include <sys/cdefs.h>
81 
82 __BEGIN_DECLS
83 __dead void
84 	 abort __P((void)) __dead2;
85 __pure int
86 	 abs __P((int)) __pure2;
87 int	 atexit __P((void (*)(void)));
88 double	 atof __P((const char *));
89 int	 atoi __P((const char *));
90 long	 atol __P((const char *));
91 void	*bsearch __P((const void *, const void *, size_t,
92 	    size_t, int (*)(const void *, const void *)));
93 void	*calloc __P((size_t, size_t));
94 __pure div_t
95 	 div __P((int, int)) __pure2;
96 __dead void
97 	 exit __P((int)) __dead2;
98 void	 free __P((void *));
99 char	*getenv __P((const char *));
100 __pure long
101 	 labs __P((long)) __pure2;
102 __pure ldiv_t
103 	 ldiv __P((long, long)) __pure2;
104 void	*malloc __P((size_t));
105 void	 qsort __P((void *, size_t, size_t,
106 	    int (*)(const void *, const void *)));
107 int	 rand __P((void));
108 void	*realloc __P((void *, size_t));
109 void	 srand __P((unsigned));
110 double	 strtod __P((const char *, char **));
111 long	 strtol __P((const char *, char **, int));
112 unsigned long
113 	 strtoul __P((const char *, char **, int));
114 int	 system __P((const char *));
115 
116 int	 mblen __P((const char *, size_t));
117 size_t	 mbstowcs __P((wchar_t *, const char *, size_t));
118 int	 wctomb __P((char *, wchar_t));
119 int	 mbtowc __P((wchar_t *, const char *, size_t));
120 size_t	 wcstombs __P((char *, const wchar_t *, size_t));
121 
122 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
123 int	 putenv __P((const char *));
124 int	 setenv __P((const char *, const char *, int));
125 
126 double	 drand48 __P((void));
127 double	 erand48 __P((unsigned short[3]));
128 long	 jrand48 __P((unsigned short[3]));
129 void	 lcong48 __P((unsigned short[7]));
130 long	 lrand48 __P((void));
131 long	 mrand48 __P((void));
132 long	 nrand48 __P((unsigned short[3]));
133 unsigned short
134 	*seed48 __P((unsigned short[3]));
135 void	 srand48 __P((long));
136 
137 void	*alloca __P((size_t));		/* built-in for gcc */
138 					/* getcap(3) functions */
139 char	*getbsize __P((int *, long *));
140 char	*cgetcap __P((char *, char *, int));
141 int	 cgetclose __P((void));
142 int	 cgetent __P((char **, char **, char *));
143 int	 cgetfirst __P((char **, char **));
144 int	 cgetmatch __P((char *, char *));
145 int	 cgetnext __P((char **, char **));
146 int	 cgetnum __P((char *, char *, long *));
147 int	 cgetset __P((char *));
148 int	 cgetstr __P((char *, char *, char **));
149 int	 cgetustr __P((char *, char *, char **));
150 
151 int	 daemon __P((int, int));
152 char	*devname __P((int, int));
153 int	 getloadavg __P((double [], int));
154 
155 extern char *optarg;			/* getopt(3) external variables */
156 extern int opterr, optind, optopt;
157 int	 getopt __P((int, char * const *, const char *));
158 
159 extern char *suboptarg;			/* getsubopt(3) external variable */
160 int	 getsubopt __P((char **, char * const *, char **));
161 
162 char	*group_from_gid __P((unsigned long, int));
163 int	 heapsort __P((void *, size_t, size_t,
164 	    int (*)(const void *, const void *)));
165 char	*initstate __P((unsigned, char *, int));
166 int	 mergesort __P((void *, size_t, size_t,
167 	    int (*)(const void *, const void *)));
168 int	 radixsort __P((const unsigned char **, int, const unsigned char *,
169 	    unsigned));
170 int	 sradixsort __P((const unsigned char **, int, const unsigned char *,
171 	    unsigned));
172 long	 random __P((void));
173 char	*realpath __P((const char *, char resolved_path[]));
174 char	*setstate __P((char *));
175 void	 srandom __P((unsigned));
176 char	*user_from_uid __P((unsigned long, int));
177 #ifndef __STRICT_ANSI__
178 long long
179 	 strtoq __P((const char *, char **, int));
180 unsigned long long
181 	 strtouq __P((const char *, char **, int));
182 #endif
183 void	 unsetenv __P((const char *));
184 #endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */
185 __END_DECLS
186 
187 #endif /* !_STDLIB_H_ */
188