2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 1990, 1993
5 * The Regents of the University of California. All rights reserved.
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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.
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16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
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25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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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);
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;
82 int strcmp(const char *, const char *) __pure;
83 int strcoll(const char *, const char *);
84 char *strcpy(char * __restrict, const char * __restrict);
85 size_t strcspn(const char *, const char *) __pure;
86 #if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE
87 char *strdup(const char *) __malloc_like;
90 #if __POSIX_VISIBLE >= 200112
91 int strerror_r(int, char *, size_t);
94 size_t strlcat(char * __restrict, const char * __restrict, size_t);
95 size_t strlcpy(char * __restrict, const char * __restrict, size_t);
97 size_t strlen(const char *) __pure;
99 void strmode(int, char *);
101 char *strncat(char * __restrict, const char * __restrict, size_t);
102 int strncmp(const char *, const char *, size_t) __pure;
103 char *strncpy(char * __restrict, const char * __restrict, size_t);
104 #if __POSIX_VISIBLE >= 200809
105 char *strndup(const char *, size_t) __malloc_like;
106 size_t strnlen(const char *, size_t) __pure;
109 char *strnstr(const char *, const char *, size_t) __pure;
111 char *strpbrk(const char *, const char *) __pure;
112 char *strrchr(const char *, int) __pure;
114 char *strsep(char **, const char *);
116 #if __POSIX_VISIBLE >= 200809
117 char *strsignal(int);
119 size_t strspn(const char *, const char *) __pure;
120 char *strstr(const char *, const char *) __pure;
121 char *strtok(char * __restrict, const char * __restrict);
122 #if __POSIX_VISIBLE >= 199506 || __XSI_VISIBLE >= 500
123 char *strtok_r(char *, const char *, char **);
125 size_t strxfrm(char * __restrict, const char * __restrict, size_t);
128 #ifndef _SWAB_DECLARED
129 #define _SWAB_DECLARED
131 #ifndef _SSIZE_T_DECLARED
132 typedef __ssize_t ssize_t;
133 #define _SSIZE_T_DECLARED
134 #endif /* _SIZE_T_DECLARED */
136 void swab(const void * __restrict, void * __restrict, ssize_t);
137 #endif /* _SWAB_DECLARED */
139 int timingsafe_bcmp(const void *, const void *, size_t);
140 int timingsafe_memcmp(const void *, const void *, size_t);
141 #endif /* __BSD_VISIBLE */
143 #if __POSIX_VISIBLE >= 200809 || defined(_XLOCALE_H_)
144 #include <xlocale/_string.h>
149 #ifndef _RSIZE_T_DEFINED
150 #define _RSIZE_T_DEFINED
151 typedef size_t rsize_t;
154 #ifndef _ERRNO_T_DEFINED
155 #define _ERRNO_T_DEFINED
159 /* ISO/IEC 9899:2011 K.3.7.4.1.1 */
160 errno_t memset_s(void *, rsize_t, int, rsize_t);
161 #endif /* __EXT1_VISIBLE */
164 #endif /* _STRING_H_ */