xref: /netbsd-src/include/stdlib.h (revision 2a399c6883d870daece976daec6ffa7bb7f934ce)
1 /*	$NetBSD: stdlib.h,v 1.28 1997/10/16 23:24:49 christos Exp $	*/
2 
3 /*-
4  * Copyright (c) 1990 The Regents of the University of California.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *	This product includes software developed by the University of
18  *	California, Berkeley and its contributors.
19  * 4. Neither the name of the University nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  *
35  *	@(#)stdlib.h	5.13 (Berkeley) 6/4/91
36  */
37 
38 #ifndef _STDLIB_H_
39 #define _STDLIB_H_
40 #include <machine/ansi.h>
41 
42 #if !defined(_ANSI_SOURCE)	/* for quad_t, etc. */
43 #include <sys/types.h>
44 #endif
45 
46 #ifdef	_BSD_SIZE_T_
47 typedef	_BSD_SIZE_T_	size_t;
48 #undef	_BSD_SIZE_T_
49 #endif
50 
51 #ifdef	_BSD_WCHAR_T_
52 typedef	_BSD_WCHAR_T_	wchar_t;
53 #undef	_BSD_WCHAR_T_
54 #endif
55 
56 typedef struct {
57 	int quot;		/* quotient */
58 	int rem;		/* remainder */
59 } div_t;
60 
61 typedef struct {
62 	long quot;		/* quotient */
63 	long rem;		/* remainder */
64 } ldiv_t;
65 
66 #if !defined(_ANSI_SOURCE)
67 typedef struct {
68 	quad_t quot;		/* quotient */
69 	quad_t rem;		/* remainder */
70 } qdiv_t;
71 #endif
72 
73 
74 #ifndef	NULL
75 #define	NULL	0
76 #endif
77 
78 #define	EXIT_FAILURE	1
79 #define	EXIT_SUCCESS	0
80 
81 #define	RAND_MAX	0x7fffffff
82 
83 #define	MB_CUR_MAX	1	/* XXX */
84 
85 #include <sys/cdefs.h>
86 
87 __BEGIN_DECLS
88 __dead void
89 	 abort __P((void));
90 int	 abs __P((int));
91 int	 atexit __P((void (*)(void)));
92 double	 atof __P((const char *));
93 int	 atoi __P((const char *));
94 long	 atol __P((const char *));
95 void	*bsearch __P((const void *, const void *, size_t,
96 	    size_t, int (*)(const void *, const void *)));
97 void	*calloc __P((size_t, size_t));
98 div_t	 div __P((int, int));
99 __dead void
100 	 exit __P((int));
101 void	 free __P((void *));
102 char	*getenv __P((const char *));
103 long	 labs __P((long));
104 ldiv_t	 ldiv __P((long, long));
105 void	*malloc __P((size_t));
106 void	 qsort __P((void *, size_t, size_t,
107 	    int (*)(const void *, const void *)));
108 int	 rand __P((void));
109 int	 rand_r __P((unsigned int *));
110 void	*realloc __P((void *, size_t));
111 void	 srand __P((unsigned));
112 double	 strtod __P((const char *, char **));
113 long	 strtol __P((const char *, char **, int));
114 unsigned long
115 	 strtoul __P((const char *, char **, int));
116 int	 system __P((const char *));
117 
118 /* these are currently just stubs */
119 int	 mblen __P((const char *, size_t));
120 size_t	 mbstowcs __P((wchar_t *, const char *, size_t));
121 int	 wctomb __P((char *, wchar_t));
122 int	 mbtowc __P((wchar_t *, const char *, size_t));
123 size_t	 wcstombs __P((char *, const wchar_t *, size_t));
124 
125 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
126 #if defined(alloca) && (alloca == __builtin_alloca) && (__GNUC__ < 2)
127 void	*alloca __P((int));     /* built-in for gcc */
128 #else
129 void	*alloca __P((size_t));
130 #endif /* __GNUC__ */
131 
132 char	*getbsize __P((int *, long *));
133 char	*cgetcap __P((char *, char *, int));
134 int	 cgetclose __P((void));
135 int	 cgetent __P((char **, char **, char *));
136 int	 cgetfirst __P((char **, char **));
137 int	 cgetmatch __P((char *, char *));
138 int	 cgetnext __P((char **, char **));
139 int	 cgetnum __P((char *, char *, long *));
140 int	 cgetset __P((char *));
141 int	 cgetstr __P((char *, char *, char **));
142 int	 cgetustr __P((char *, char *, char **));
143 
144 int	 daemon __P((int, int));
145 char	*devname __P((dev_t, mode_t));
146 int	 getloadavg __P((double [], int));
147 
148 long	 a64l __P((const char *));
149 char	*l64a __P((long));
150 
151 void	 cfree __P((void *));
152 
153 int	 getopt __P((int, char * const *, const char *));
154 extern	 char *optarg;			/* getopt(3) external variables */
155 extern	 int opterr;
156 extern	 int optind;
157 extern	 int optopt;
158 extern	 int optreset;
159 int	 getsubopt __P((char **, char * const *, char **));
160 extern	 char *suboptarg;		/* getsubopt(3) external variable */
161 
162 int	 heapsort __P((void *, size_t, size_t,
163 	    int (*)(const void *, const void *)));
164 int	 mergesort __P((void *, size_t, size_t,
165 	    int (*)(const void *, const void *)));
166 int	 radixsort __P((const unsigned char **, int, const unsigned char *,
167 	    unsigned));
168 int	 sradixsort __P((const unsigned char **, int, const unsigned char *,
169 	    unsigned));
170 
171 char	*initstate __P((unsigned, char *, int));
172 long	 random __P((void));
173 char	*realpath __P((const char *, char *));
174 char	*setstate __P((char *));
175 void	 srandom __P((unsigned));
176 
177 int	 putenv __P((const char *));
178 int	 setenv __P((const char *, const char *, int));
179 void	 unsetenv __P((const char *));
180 void	 setproctitle __P((const char *, ...));
181 
182 quad_t	 qabs __P((quad_t));
183 qdiv_t	 qdiv __P((quad_t, quad_t));
184 quad_t	 strtoq __P((const char *, char **, int));
185 u_quad_t strtouq __P((const char *, char **, int));
186 
187 double	 drand48 __P((void));
188 double	 erand48 __P((unsigned short[3]));
189 long	 jrand48 __P((unsigned short[3]));
190 void	 lcong48 __P((unsigned short[7]));
191 long	 lrand48 __P((void));
192 long	 mrand48 __P((void));
193 long	 nrand48 __P((unsigned short[3]));
194 unsigned short *
195 	 seed48 __P((unsigned short[3]));
196 void	 srand48 __P((long));
197 #endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */
198 
199 __END_DECLS
200 
201 #endif /* !_STDLIB_H_ */
202