1/*	$OpenBSD: string.h,v 1.32 2017/09/05 03:16:13 schwarze 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 <sys/_null.h>
40#include <machine/_types.h>
41
42/*
43 * POSIX mandates that certain string functions not present in ISO C
44 * be prototyped in strings.h.  Historically, we've included them here.
45 */
46#if __BSD_VISIBLE
47#include <strings.h>
48#endif
49
50#ifndef	_SIZE_T_DEFINED_
51#define	_SIZE_T_DEFINED_
52typedef	__size_t	size_t;
53#endif
54
55#if __POSIX_VISIBLE >= 200809
56#ifndef _LOCALE_T_DEFINED_
57#define _LOCALE_T_DEFINED_
58typedef void	*locale_t;
59#endif
60#endif
61
62__BEGIN_DECLS
63void	*memchr(const void *, int, size_t);
64int	 memcmp(const void *, const void *, size_t);
65void	*memcpy(void *__restrict, const void *__restrict, size_t)
66		__attribute__ ((__bounded__(__buffer__,1,3)))
67		__attribute__ ((__bounded__(__buffer__,2,3)));
68void	*memmove(void *, const void *, size_t)
69		__attribute__ ((__bounded__(__buffer__,1,3)))
70		__attribute__ ((__bounded__(__buffer__,2,3)));
71void	*memset(void *, int, size_t)
72		__attribute__ ((__bounded__(__buffer__,1,3)));
73char	*strcat(char *__restrict, const char *__restrict);
74char	*strchr(const char *, int);
75int	 strcmp(const char *, const char *);
76int	 strcoll(const char *, const char *);
77char	*strcpy(char *__restrict, const char *__restrict);
78size_t	 strcspn(const char *, const char *);
79char	*strerror(int);
80size_t	 strlen(const char *);
81char	*strncat(char *__restrict, const char *__restrict, size_t)
82		__attribute__ ((__bounded__(__string__,1,3)));
83int	 strncmp(const char *, const char *, size_t);
84char	*strncpy(char *__restrict, const char *__restrict, size_t)
85		__attribute__ ((__bounded__(__string__,1,3)));
86char	*strpbrk(const char *, const char *);
87char	*strrchr(const char *, int);
88size_t	 strspn(const char *, const char *);
89char	*strstr(const char *, const char *);
90char	*strtok(char *__restrict, const char *__restrict);
91char	*strtok_r(char *__restrict, const char *__restrict, char **__restrict);
92size_t	 strxfrm(char *__restrict, const char *__restrict, size_t)
93		__attribute__ ((__bounded__(__string__,1,3)));
94
95#if __XPG_VISIBLE
96void	*memccpy(void *__restrict, const void *__restrict, int, size_t)
97		__attribute__ ((__bounded__(__buffer__,1,4)));
98#endif
99
100#if __POSIX_VISIBLE >= 200112
101int	 strerror_r(int, char *, size_t)
102	    __attribute__ ((__bounded__(__string__,2,3)));
103#endif
104
105#if __XPG_VISIBLE >= 420 || __POSIX_VISIBLE >= 200809
106char	*strdup(const char *);
107#endif
108
109#if __POSIX_VISIBLE >= 200809
110char	*stpcpy(char *__restrict, const char *__restrict);
111char	*stpncpy(char *__restrict, const char *__restrict, size_t);
112int	 strcoll_l(const char *, const char *, locale_t);
113char	*strerror_l(int, locale_t);
114char	*strndup(const char *, size_t);
115size_t	 strnlen(const char *, size_t);
116char	*strsignal(int);
117size_t	 strxfrm_l(char *__restrict, const char *__restrict, size_t, locale_t)
118		__attribute__ ((__bounded__(__string__,1,3)));
119#endif
120
121#if __BSD_VISIBLE
122void	 explicit_bzero(void *, size_t)
123		__attribute__ ((__bounded__(__buffer__,1,2)));
124void	*memmem(const void *, size_t, const void *, size_t);
125void	*memrchr(const void *, int, size_t);
126char	*strcasestr(const char *, const char *);
127size_t	 strlcat(char *, const char *, size_t)
128		__attribute__ ((__bounded__(__string__,1,3)));
129size_t	 strlcpy(char *, const char *, size_t)
130		__attribute__ ((__bounded__(__string__,1,3)));
131void	 strmode(int, char *);
132char	*strsep(char **, const char *);
133int	 timingsafe_bcmp(const void *, const void *, size_t);
134int	 timingsafe_memcmp(const void *, const void *, size_t);
135#endif
136__END_DECLS
137
138#endif /* _STRING_H_ */
139