xref: /freebsd/include/stdlib.h (revision e627b39baccd1ec9129690167cf5e6d860509655)
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 void	 abort __P((void)) __dead2;
84 int	 abs __P((int)) __pure2;
85 int	 atexit __P((void (*)(void)));
86 double	 atof __P((const char *));
87 int	 atoi __P((const char *));
88 long	 atol __P((const char *));
89 void	*bsearch __P((const void *, const void *, size_t,
90 	    size_t, int (*)(const void *, const void *)));
91 void	*calloc __P((size_t, size_t));
92 div_t	 div __P((int, int)) __pure2;
93 void	 exit __P((int)) __dead2;
94 void	 free __P((void *));
95 char	*getenv __P((const char *));
96 long	 labs __P((long)) __pure2;
97 ldiv_t	 ldiv __P((long, long)) __pure2;
98 void	*malloc __P((size_t));
99 void	 qsort __P((void *, size_t, size_t,
100 	    int (*)(const void *, const void *)));
101 int	 rand __P((void));
102 void	*realloc __P((void *, size_t));
103 void	 srand __P((unsigned));
104 double	 strtod __P((const char *, char **));
105 long	 strtol __P((const char *, char **, int));
106 unsigned long
107 	 strtoul __P((const char *, char **, int));
108 int	 system __P((const char *));
109 
110 int	 mblen __P((const char *, size_t));
111 size_t	 mbstowcs __P((wchar_t *, const char *, size_t));
112 int	 wctomb __P((char *, wchar_t));
113 int	 mbtowc __P((wchar_t *, const char *, size_t));
114 size_t	 wcstombs __P((char *, const wchar_t *, size_t));
115 
116 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
117 int	 putenv __P((const char *));
118 int	 setenv __P((const char *, const char *, int));
119 
120 double	 drand48 __P((void));
121 double	 erand48 __P((unsigned short[3]));
122 long	 jrand48 __P((unsigned short[3]));
123 void	 lcong48 __P((unsigned short[7]));
124 long	 lrand48 __P((void));
125 long	 mrand48 __P((void));
126 long	 nrand48 __P((unsigned short[3]));
127 unsigned short
128 	*seed48 __P((unsigned short[3]));
129 void	 srand48 __P((long));
130 
131 void	*alloca __P((size_t));		/* built-in for gcc */
132 					/* getcap(3) functions */
133 char	*getbsize __P((int *, long *));
134 char	*cgetcap __P((char *, char *, int));
135 int	 cgetclose __P((void));
136 int	 cgetent __P((char **, char **, char *));
137 int	 cgetfirst __P((char **, char **));
138 int	 cgetmatch __P((char *, char *));
139 int	 cgetnext __P((char **, char **));
140 int	 cgetnum __P((char *, char *, long *));
141 int	 cgetset __P((char *));
142 int	 cgetstr __P((char *, char *, char **));
143 int	 cgetustr __P((char *, char *, char **));
144 
145 int	 daemon __P((int, int));
146 char	*devname __P((int, int));
147 int	 getloadavg __P((double [], int));
148 
149 extern char *optarg;			/* getopt(3) external variables */
150 extern int opterr, optind, optopt;
151 int	 getopt __P((int, char * const *, const char *));
152 
153 extern char *suboptarg;			/* getsubopt(3) external variable */
154 int	 getsubopt __P((char **, char * const *, char **));
155 
156 char	*group_from_gid __P((unsigned long, int));
157 int	 heapsort __P((void *, size_t, size_t,
158 	    int (*)(const void *, const void *)));
159 char	*initstate __P((unsigned, char *, int));
160 int	 mergesort __P((void *, size_t, size_t,
161 	    int (*)(const void *, const void *)));
162 int	 radixsort __P((const unsigned char **, int, const unsigned char *,
163 	    unsigned));
164 int	 sradixsort __P((const unsigned char **, int, const unsigned char *,
165 	    unsigned));
166 long	 random __P((void));
167 char	*realpath __P((const char *, char resolved_path[]));
168 char	*setstate __P((char *));
169 void	 srandom __P((unsigned));
170 char	*user_from_uid __P((unsigned long, int));
171 #ifndef __STRICT_ANSI__
172 long long
173 	 strtoq __P((const char *, char **, int));
174 unsigned long long
175 	 strtouq __P((const char *, char **, int));
176 #endif
177 void	 unsetenv __P((const char *));
178 #endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */
179 __END_DECLS
180 
181 #endif /* !_STDLIB_H_ */
182