xref: /openbsd-src/include/string.h (revision d13be5d47e4149db2549a9828e244d59dbc43f15)
1 /*	$OpenBSD: string.h,v 1.22 2011/07/03 18:51:01 jsg Exp $	*/
2 /*	$NetBSD: string.h,v 1.6 1994/10/26 00:56:30 cgd Exp $	*/
3 
4 /*-
5  * Copyright (c) 1990 The Regents of the University of California.
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. Neither the name of the University nor the names of its contributors
17  *    may be used to endorse or promote products derived from this software
18  *    without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30  * SUCH DAMAGE.
31  *
32  *	@(#)string.h	5.10 (Berkeley) 3/9/91
33  */
34 
35 #ifndef _STRING_H_
36 #define	_STRING_H_
37 
38 #include <sys/cdefs.h>
39 #include <machine/_types.h>
40 
41 #ifndef	_SIZE_T_DEFINED_
42 #define	_SIZE_T_DEFINED_
43 typedef	__size_t	size_t;
44 #endif
45 
46 #ifndef	NULL
47 #ifdef 	__GNUG__
48 #define	NULL	__null
49 #elif defined(__cplusplus)
50 #define	NULL	0L
51 #else
52 #define	NULL	((void *)0)
53 #endif
54 #endif
55 
56 __BEGIN_DECLS
57 void	*memchr(const void *, int, size_t);
58 void	*memrchr(const void *, int, size_t);
59 int	 memcmp(const void *, const void *, size_t);
60 void	*memcpy(void *, const void *, size_t)
61 		__attribute__ ((__bounded__(__buffer__,1,3)))
62 		__attribute__ ((__bounded__(__buffer__,2,3)));
63 void	*memmove(void *, const void *, size_t)
64 		__attribute__ ((__bounded__(__buffer__,1,3)))
65 		__attribute__ ((__bounded__(__buffer__,2,3)));
66 void	*memset(void *, int, size_t)
67 		__attribute__ ((__bounded__(__buffer__,1,3)));
68 char	*strcat(char *, const char *);
69 char	*strchr(const char *, int);
70 int	 strcmp(const char *, const char *);
71 int	 strcoll(const char *, const char *);
72 char	*strcpy(char *, const char *);
73 size_t	 strcspn(const char *, const char *);
74 char	*strerror(int);
75 size_t	 strlen(const char *);
76 char	*strncat(char *, const char *, size_t)
77 		__attribute__ ((__bounded__(__string__,1,3)));
78 int	 strncmp(const char *, const char *, size_t);
79 char	*strncpy(char *, const char *, size_t)
80 		__attribute__ ((__bounded__(__string__,1,3)));
81 char	*strpbrk(const char *, const char *);
82 char	*strrchr(const char *, int);
83 size_t	 strspn(const char *, const char *);
84 char	*strstr(const char *, const char *);
85 char	*strtok(char *, const char *);
86 char	*strtok_r(char *, const char *, char **);
87 size_t	 strxfrm(char *, const char *, size_t)
88 		__attribute__ ((__bounded__(__string__,1,3)));
89 
90 #if __BSD_VISIBLE || __XPG_VISIBLE
91 void	*memccpy(void *, const void *, int, size_t)
92 		__attribute__ ((__bounded__(__buffer__,1,4)));
93 #endif
94 
95 #if __BSD_VISIBLE || __XPG_VISIBLE >= 420
96 int	 bcmp(const void *, const void *, size_t);
97 void	 bcopy(const void *, void *, size_t)
98 		__attribute__ ((__bounded__(__buffer__,1,3)))
99 		__attribute__ ((__bounded__(__buffer__,2,3)));
100 void	 bzero(void *, size_t)
101 		__attribute__ ((__bounded__(__buffer__,1,2)));
102 int	 ffs(int);
103 char	*index(const char *, int);
104 char	*rindex(const char *, int);
105 int	 strcasecmp(const char *, const char *);
106 int	 strncasecmp(const char *, const char *, size_t);
107 char	*strdup(const char *);
108 #endif
109 
110 #if __BSD_VISIBLE || __XPG_VISIBLE >= 600
111 int	 strerror_r(int, char *, size_t)
112 	    __attribute__ ((__bounded__(__string__,2,3)));
113 #endif
114 
115 #if __POSIX_VISIBLE >= 200809
116 char	*strndup(const char *, size_t);
117 size_t	 strnlen(const char *, size_t);
118 #endif
119 
120 #if __BSD_VISIBLE
121 char	*strcasestr(const char *, const char *);
122 size_t	 strlcat(char *, const char *, size_t)
123 		__attribute__ ((__bounded__(__string__,1,3)));
124 size_t	 strlcpy(char *, const char *, size_t)
125 		__attribute__ ((__bounded__(__string__,1,3)));
126 void	 strmode(int, char *);
127 char	*strsep(char **, const char *);
128 char	*strsignal(int);
129 int	 timingsafe_bcmp(const void *, const void *, size_t);
130 #endif
131 __END_DECLS
132 
133 #endif /* _STRING_H_ */
134