xref: /freebsd/include/string.h (revision 3157ba21)
1 /*-
2  * Copyright (c) 1990, 1993
3  *	The Regents of the University of California.  All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. Neither the name of the University nor the names of its contributors
14  *    may be used to endorse or promote products derived from this software
15  *    without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  *
29  *	@(#)string.h	8.1 (Berkeley) 6/2/93
30  * $FreeBSD$
31  */
32 
33 #ifndef _STRING_H_
34 #define	_STRING_H_
35 
36 #include <sys/cdefs.h>
37 #include <sys/_null.h>
38 #include <sys/_types.h>
39 
40 /*
41  * Prototype functions which were historically defined in <string.h>, but
42  * are required by POSIX to be prototyped in <strings.h>.
43  */
44 #if __BSD_VISIBLE
45 #include <strings.h>
46 #endif
47 
48 #ifndef _SIZE_T_DECLARED
49 typedef	__size_t	size_t;
50 #define	_SIZE_T_DECLARED
51 #endif
52 
53 __BEGIN_DECLS
54 #if __XSI_VISIBLE >= 600
55 void	*memccpy(void * __restrict, const void * __restrict, int, size_t);
56 #endif
57 void	*memchr(const void *, int, size_t) __pure;
58 #if __BSD_VISIBLE
59 void	*memrchr(const void *, int, size_t) __pure;
60 #endif
61 int	 memcmp(const void *, const void *, size_t) __pure;
62 void	*memcpy(void * __restrict, const void * __restrict, size_t);
63 #if __BSD_VISIBLE
64 void	*memmem(const void *, size_t, const void *, size_t) __pure;
65 #endif
66 void	*memmove(void *, const void *, size_t);
67 void	*memset(void *, int, size_t);
68 #if __POSIX_VISIBLE >= 200809 || __BSD_VISIBLE
69 char	*stpcpy(char * __restrict, const char * __restrict);
70 char	*stpncpy(char * __restrict, const char * __restrict, size_t);
71 #endif
72 #if __BSD_VISIBLE
73 char	*strcasestr(const char *, const char *) __pure;
74 #endif
75 char	*strcat(char * __restrict, const char * __restrict);
76 char	*strchr(const char *, int) __pure;
77 int	 strcmp(const char *, const char *) __pure;
78 int	 strcoll(const char *, const char *);
79 char	*strcpy(char * __restrict, const char * __restrict);
80 size_t	 strcspn(const char *, const char *) __pure;
81 #if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE
82 char	*strdup(const char *) __malloc_like;
83 #endif
84 char	*strerror(int);
85 #if __POSIX_VISIBLE >= 200112
86 int	 strerror_r(int, char *, size_t);
87 #endif
88 #if __BSD_VISIBLE
89 size_t	 strlcat(char * __restrict, const char * __restrict, size_t);
90 size_t	 strlcpy(char * __restrict, const char * __restrict, size_t);
91 #endif
92 size_t	 strlen(const char *) __pure;
93 #if __BSD_VISIBLE
94 void	 strmode(int, char *);
95 #endif
96 char	*strncat(char * __restrict, const char * __restrict, size_t);
97 int	 strncmp(const char *, const char *, size_t) __pure;
98 char	*strncpy(char * __restrict, const char * __restrict, size_t);
99 #if __POSIX_VISIBLE >= 200809 || __BSD_VISIBLE
100 char	*strndup(const char *, size_t) __malloc_like;
101 size_t	 strnlen(const char *, size_t) __pure;
102 #endif
103 #if __BSD_VISIBLE
104 char	*strnstr(const char *, const char *, size_t) __pure;
105 #endif
106 char	*strpbrk(const char *, const char *) __pure;
107 char	*strrchr(const char *, int) __pure;
108 #if __BSD_VISIBLE
109 char	*strsep(char **, const char *);
110 #endif
111 #if __POSIX_VISIBLE >= 200809 || __BSD_VISIBLE
112 char	*strsignal(int);
113 #endif
114 size_t	 strspn(const char *, const char *) __pure;
115 char	*strstr(const char *, const char *) __pure;
116 char	*strtok(char * __restrict, const char * __restrict);
117 #if __POSIX_VISIBLE >= 199506 || __XSI_VISIBLE >= 500
118 char	*strtok_r(char *, const char *, char **);
119 #endif
120 size_t	 strxfrm(char * __restrict, const char * __restrict, size_t);
121 #if __BSD_VISIBLE
122 
123 #ifndef _SWAB_DECLARED
124 #define _SWAB_DECLARED
125 
126 #ifndef _SSIZE_T_DECLARED
127 typedef	__ssize_t	ssize_t;
128 #define	_SSIZE_T_DECLARED
129 #endif /* _SIZE_T_DECLARED */
130 
131 void	 swab(const void * __restrict, void * __restrict, ssize_t);
132 #endif /* _SWAB_DECLARED */
133 
134 #endif /* __BSD_VISIBLE */
135 __END_DECLS
136 
137 #endif /* _STRING_H_ */
138