2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 1990, 1993
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8 * modification, are permitted provided that the following conditions
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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);
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;
85 int strcmp(const char *, const char *) __pure;
86 int strcoll(const char *, const char *);
87 char *strcpy(char * __restrict, const char * __restrict);
88 size_t strcspn(const char *, const char *) __pure;
89 #if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE
90 char *strdup(const char *) __malloc_like;
93 #if __POSIX_VISIBLE >= 200112
94 int strerror_r(int, char *, size_t);
97 size_t strlcat(char * __restrict, const char * __restrict, size_t);
98 size_t strlcpy(char * __restrict, const char * __restrict, size_t);
100 size_t strlen(const char *) __pure;
103 #ifndef _MODE_T_DECLARED
104 typedef __mode_t mode_t;
105 #define _MODE_T_DECLARED
108 void strmode(mode_t, char *);
110 char *strncat(char * __restrict, const char * __restrict, size_t);
111 int strncmp(const char *, const char *, size_t) __pure;
112 char *strncpy(char * __restrict, const char * __restrict, size_t);
113 #if __POSIX_VISIBLE >= 200809
114 char *strndup(const char *, size_t) __malloc_like;
115 size_t strnlen(const char *, size_t) __pure;
118 char *strnstr(const char *, const char *, size_t) __pure;
120 char *strpbrk(const char *, const char *) __pure;
121 char *strrchr(const char *, int) __pure;
123 char *strsep(char **, const char *);
125 #if __POSIX_VISIBLE >= 200809
126 char *strsignal(int);
128 size_t strspn(const char *, const char *) __pure;
129 char *strstr(const char *, const char *) __pure;
130 char *strtok(char * __restrict, const char * __restrict);
131 #if __POSIX_VISIBLE >= 199506 || __XSI_VISIBLE >= 500
132 char *strtok_r(char *, const char *, char **);
134 size_t strxfrm(char * __restrict, const char * __restrict, size_t);
137 #ifndef _SWAB_DECLARED
138 #define _SWAB_DECLARED
140 #ifndef _SSIZE_T_DECLARED
141 typedef __ssize_t ssize_t;
142 #define _SSIZE_T_DECLARED
143 #endif /* _SIZE_T_DECLARED */
145 void swab(const void * __restrict, void * __restrict, ssize_t);
146 #endif /* _SWAB_DECLARED */
148 int timingsafe_bcmp(const void *, const void *, size_t);
149 int timingsafe_memcmp(const void *, const void *, size_t);
150 #endif /* __BSD_VISIBLE */
152 #if __POSIX_VISIBLE >= 200112 || defined(_XLOCALE_H_)
153 #include <xlocale/_string.h>
158 #ifndef _RSIZE_T_DEFINED
159 #define _RSIZE_T_DEFINED
160 typedef size_t rsize_t;
163 #ifndef _ERRNO_T_DEFINED
164 #define _ERRNO_T_DEFINED
168 /* ISO/IEC 9899:2011 K.3.7.4.1.1 */
169 errno_t memset_s(void *, rsize_t, int, rsize_t);
170 #endif /* __EXT1_VISIBLE */
173 #endif /* _STRING_H_ */