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
35 #include <sys/cdefs.h>
36 #include <sys/_null.h>
37 #include <sys/_types.h>
40 * Prototype functions which were historically defined in <string.h>, but
41 * are required by POSIX to be prototyped in <strings.h>.
47 #ifndef _SIZE_T_DECLARED
48 typedef __size_t size_t;
49 #define _SIZE_T_DECLARED
53 #if __XSI_VISIBLE >= 600
54 void *memccpy(void * __restrict, const void * __restrict, int, size_t);
56 void *memchr(const void *, int, size_t) __pure;
58 void *memrchr(const void *, int, size_t) __pure;
60 int memcmp(const void *, const void *, size_t) __pure;
61 void *memcpy(void * __restrict, const void * __restrict, size_t);
63 void *memmem(const void *, size_t, const void *, size_t) __pure;
65 void *memmove(void *, const void *, size_t);
67 void *mempcpy(void * __restrict, const void * __restrict, size_t);
69 void *memset(void *, int, size_t);
70 #if __POSIX_VISIBLE >= 200809
71 char *stpcpy(char * __restrict, const char * __restrict);
72 char *stpncpy(char * __restrict, const char * __restrict, size_t);
75 char *strcasestr(const char *, const char *) __pure;
77 char *strcat(char * __restrict, const char * __restrict);
78 char *strchr(const char *, int) __pure;
80 char *strchrnul(const char*, int) __pure;
81 int strverscmp(const char *, const char *) __pure;
83 int strcmp(const char *, const char *) __pure;
84 int strcoll(const char *, const char *);
85 char *strcpy(char * __restrict, const char * __restrict);
86 size_t strcspn(const char *, const char *) __pure;
87 #if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE
88 char *strdup(const char *) __malloc_like;
91 #if __POSIX_VISIBLE >= 200112
92 int strerror_r(int, char *, size_t);
95 size_t strlcat(char * __restrict, const char * __restrict, size_t);
96 size_t strlcpy(char * __restrict, const char * __restrict, size_t);
98 size_t strlen(const char *) __pure;
101 #ifndef _MODE_T_DECLARED
102 typedef __mode_t mode_t;
103 #define _MODE_T_DECLARED
106 void strmode(mode_t, char *);
108 char *strncat(char * __restrict, const char * __restrict, size_t);
109 int strncmp(const char *, const char *, size_t) __pure;
110 char *strncpy(char * __restrict, const char * __restrict, size_t);
111 #if __POSIX_VISIBLE >= 200809
112 char *strndup(const char *, size_t) __malloc_like;
113 size_t strnlen(const char *, size_t) __pure;
116 char *strnstr(const char *, const char *, size_t) __pure;
118 char *strpbrk(const char *, const char *) __pure;
119 char *strrchr(const char *, int) __pure;
121 char *strsep(char **, const char *);
123 #if __POSIX_VISIBLE >= 200809
124 char *strsignal(int);
126 size_t strspn(const char *, const char *) __pure;
127 char *strstr(const char *, const char *) __pure;
128 char *strtok(char * __restrict, const char * __restrict);
129 #if __POSIX_VISIBLE >= 199506 || __XSI_VISIBLE >= 500
130 char *strtok_r(char *, const char *, char **);
132 size_t strxfrm(char * __restrict, const char * __restrict, size_t);
135 #ifndef _SWAB_DECLARED
136 #define _SWAB_DECLARED
138 #ifndef _SSIZE_T_DECLARED
139 typedef __ssize_t ssize_t;
140 #define _SSIZE_T_DECLARED
141 #endif /* _SIZE_T_DECLARED */
143 void swab(const void * __restrict, void * __restrict, ssize_t);
144 #endif /* _SWAB_DECLARED */
146 int timingsafe_bcmp(const void *, const void *, size_t);
147 int timingsafe_memcmp(const void *, const void *, size_t);
148 #endif /* __BSD_VISIBLE */
150 #if __POSIX_VISIBLE >= 200112 || defined(_XLOCALE_H_)
151 #include <xlocale/_string.h>
156 #ifndef _RSIZE_T_DEFINED
157 #define _RSIZE_T_DEFINED
158 typedef size_t rsize_t;
161 #ifndef _ERRNO_T_DEFINED
162 #define _ERRNO_T_DEFINED
166 /* ISO/IEC 9899:2011 K.3.7.4.1.1 */
167 errno_t memset_s(void *, rsize_t, int, rsize_t);
168 #endif /* __EXT1_VISIBLE */
171 #endif /* _STRING_H_ */