master
1/* $NetBSD: string.h,v 1.53 2021/08/09 20:49:08 andvar Exp $ */
2
3/*-
4 * Copyright (c) 1990, 1993
5 * The Regents of the University of California. 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. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 *
31 * @(#)string.h 8.1 (Berkeley) 6/2/93
32 */
33
34#ifndef _STRING_H_
35#define _STRING_H_
36#include <machine/ansi.h>
37
38#ifdef _BSD_SIZE_T_
39typedef _BSD_SIZE_T_ size_t;
40#undef _BSD_SIZE_T_
41#endif
42
43#include <sys/null.h>
44
45#include <sys/cdefs.h>
46#include <sys/featuretest.h>
47
48__BEGIN_DECLS
49void *memchr(const void *, int, size_t);
50int memcmp(const void *, const void *, size_t);
51void *memcpy(void * __restrict, const void * __restrict, size_t);
52void *memmove(void *, const void *, size_t);
53void *memset(void *, int, size_t);
54char *strcat(char * __restrict, const char * __restrict);
55char *strchr(const char *, int);
56int strcmp(const char *, const char *);
57int strcoll(const char *, const char *);
58char *strcpy(char * __restrict, const char * __restrict);
59size_t strcspn(const char *, const char *);
60__aconst char *strerror(int);
61size_t strlen(const char *);
62char *strncat(char * __restrict, const char * __restrict, size_t);
63int strncmp(const char *, const char *, size_t);
64char *strncpy(char * __restrict, const char * __restrict, size_t);
65char *strpbrk(const char *, const char *);
66char *strrchr(const char *, int);
67size_t strspn(const char *, const char *);
68char *strstr(const char *, const char *);
69char *strtok(char * __restrict, const char * __restrict);
70#if (_POSIX_C_SOURCE - 0 >= 199506L) || (_XOPEN_SOURCE - 0 >= 500) || \
71 defined(_REENTRANT) || defined(_NETBSD_SOURCE)
72char *strtok_r(char *, const char *, char **);
73int strerror_r(int, char *, size_t);
74#endif /* _POSIX_C_SOURCE >= 199506 || XOPEN_SOURCE >= 500 || ... */
75size_t strxfrm(char * __restrict, const char * __restrict, size_t);
76
77#if (_POSIX_C_SOURCE - 0 >= 200112L) || defined(_XOPEN_SOURCE) || \
78 defined(_NETBSD_SOURCE)
79void *memccpy(void *, const void *, int, size_t);
80char *strdup(const char *);
81#endif
82
83#if (_POSIX_C_SOURCE - 0 >= 200809L) || (_XOPEN_SOURCE - 0 >= 700) || \
84 defined(_NETBSD_SOURCE)
85char *stpcpy(char * __restrict, const char * __restrict);
86char *stpncpy(char * __restrict, const char * __restrict, size_t);
87char *strndup(const char *, size_t);
88size_t strnlen(const char *, size_t);
89#ifndef __STRSIGNAL_DECLARED
90#define __STRSIGNAL_DECLARED
91/* also in unistd.h */
92__aconst char *strsignal(int);
93#endif /* __STRSIGNAL_DECLARED */
94#endif
95__END_DECLS
96
97#if defined(_NETBSD_SOURCE)
98#include <strings.h> /* for backwards-compatibility */
99__BEGIN_DECLS
100void *memmem(const void *, size_t, const void *, size_t);
101char *strcasestr(const char *, const char *);
102char *strchrnul(const char *, int);
103size_t strlcat(char *, const char *, size_t);
104size_t strlcpy(char *, const char *, size_t);
105char *strsep(char **, const char *);
106char *stresep(char **, const char *, int);
107char *strnstr(const char *, const char *, size_t);
108void *memrchr(const void *, int, size_t);
109void *explicit_memset(void *, int, size_t);
110int consttime_memequal(const void *, const void *, size_t);
111__END_DECLS
112#endif
113
114#if (_POSIX_C_SOURCE - 0) >= 200809L || defined(_NETBSD_SOURCE)
115# ifndef __LOCALE_T_DECLARED
116typedef struct _locale *locale_t;
117# define __LOCALE_T_DECLARED
118# endif
119__BEGIN_DECLS
120int strcoll_l(const char *, const char *, locale_t);
121size_t strxfrm_l(char * __restrict, const char * __restrict, size_t, locale_t);
122__aconst char *strerror_l(int, locale_t);
123__END_DECLS
124#endif /* _POSIX_C_SOURCE || _NETBSD_SOURCE */
125
126#if _FORTIFY_SOURCE > 0
127#include <ssp/string.h>
128#endif
129#endif /* !defined(_STRING_H_) */