2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 1990, 1993
5 * The Regents of the University of California. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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.
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
31 * @(#)string.h 8.1 (Berkeley) 6/2/93
38 #include <sys/cdefs.h>
39 #include <sys/_null.h>
40 #include <sys/_types.h>
43 * Prototype functions which were historically defined in <string.h>, but
44 * are required by POSIX to be prototyped in <strings.h>.
50 #ifndef _SIZE_T_DECLARED
51 typedef __size_t size_t;
52 #define _SIZE_T_DECLARED
56 #if __XSI_VISIBLE >= 600
57 void *memccpy(void * __restrict, const void * __restrict, int, size_t);
59 void *memchr(const void *, int, size_t) __pure;
61 void *memrchr(const void *, int, size_t) __pure;
63 int memcmp(const void *, const void *, size_t) __pure;
64 void *memcpy(void * __restrict, const void * __restrict, size_t);
66 void *memmem(const void *, size_t, const void *, size_t) __pure;
68 void *memmove(void *, const void *, size_t);
70 void *mempcpy(void * __restrict, const void * __restrict, size_t);
72 void *memset(void *, int, size_t);
73 #if __POSIX_VISIBLE >= 200809
74 char *stpcpy(char * __restrict, const char * __restrict);
75 char *stpncpy(char * __restrict, const char * __restrict, size_t);
78 char *strcasestr(const char *, const char *) __pure;
80 char *strcat(char * __restrict, const char * __restrict);
81 char *strchr(const char *, int) __pure;
83 char *strchrnul(const char*, int) __pure;
84 int strverscmp(const char *, const char *) __pure;
86 int strcmp(const char *, const char *) __pure;
87 int strcoll(const char *, const char *);
88 char *strcpy(char * __restrict, const char * __restrict);
89 size_t strcspn(const char *, const char *) __pure;
90 #if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE
91 char *strdup(const char *) __malloc_like;
94 #if __POSIX_VISIBLE >= 200112
95 int strerror_r(int, char *, size_t);
98 size_t strlcat(char * __restrict, const char * __restrict, size_t);
99 size_t strlcpy(char * __restrict, const char * __restrict, size_t);
101 size_t strlen(const char *) __pure;
103 void strmode(int, char *);
105 char *strncat(char * __restrict, const char * __restrict, size_t);
106 int strncmp(const char *, const char *, size_t) __pure;
107 char *strncpy(char * __restrict, const char * __restrict, size_t);
108 #if __POSIX_VISIBLE >= 200809
109 char *strndup(const char *, size_t) __malloc_like;
110 size_t strnlen(const char *, size_t) __pure;
113 char *strnstr(const char *, const char *, size_t) __pure;
115 char *strpbrk(const char *, const char *) __pure;
116 char *strrchr(const char *, int) __pure;
118 char *strsep(char **, const char *);
120 #if __POSIX_VISIBLE >= 200809
121 char *strsignal(int);
123 size_t strspn(const char *, const char *) __pure;
124 char *strstr(const char *, const char *) __pure;
125 char *strtok(char * __restrict, const char * __restrict);
126 #if __POSIX_VISIBLE >= 199506 || __XSI_VISIBLE >= 500
127 char *strtok_r(char *, const char *, char **);
129 size_t strxfrm(char * __restrict, const char * __restrict, size_t);
132 #ifndef _SWAB_DECLARED
133 #define _SWAB_DECLARED
135 #ifndef _SSIZE_T_DECLARED
136 typedef __ssize_t ssize_t;
137 #define _SSIZE_T_DECLARED
138 #endif /* _SIZE_T_DECLARED */
140 void swab(const void * __restrict, void * __restrict, ssize_t);
141 #endif /* _SWAB_DECLARED */
143 int timingsafe_bcmp(const void *, const void *, size_t);
144 int timingsafe_memcmp(const void *, const void *, size_t);
145 #endif /* __BSD_VISIBLE */
147 #if __POSIX_VISIBLE >= 200112 || defined(_XLOCALE_H_)
148 #include <xlocale/_string.h>
153 #ifndef _RSIZE_T_DEFINED
154 #define _RSIZE_T_DEFINED
155 typedef size_t rsize_t;
158 #ifndef _ERRNO_T_DEFINED
159 #define _ERRNO_T_DEFINED
163 /* ISO/IEC 9899:2011 K.3.7.4.1.1 */
164 errno_t memset_s(void *, rsize_t, int, rsize_t);
165 #endif /* __EXT1_VISIBLE */
168 #endif /* _STRING_H_ */