1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
|
/* Copyright (C) 1991-2019 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#ifndef _STRINGS_H
#define _STRINGS_H 1
#include <features.h>
#define __need_size_t
#include <stddef.h>
/* Tell the caller that we provide correct C++ prototypes. */
#if defined __cplusplus && __GNUC_PREREQ (4, 4)
# define __CORRECT_ISO_CPP_STRINGS_H_PROTO
#endif
__BEGIN_DECLS
#if defined __USE_MISC || !defined __USE_XOPEN2K8
/* Compare N bytes of S1 and S2 (same as memcmp). */
extern int bcmp (const void *__s1, const void *__s2, size_t __n)
__THROW __attribute_pure__ __nonnull ((1, 2));
/* Copy N bytes of SRC to DEST (like memmove, but args reversed). */
extern void bcopy (const void *__src, void *__dest, size_t __n)
__THROW __nonnull ((1, 2));
/* Set N bytes of S to 0. */
extern void bzero (void *__s, size_t __n) __THROW __nonnull ((1));
/* Find the first occurrence of C in S (same as strchr). */
# ifdef __CORRECT_ISO_CPP_STRINGS_H_PROTO
extern "C++"
{
extern char *index (char *__s, int __c)
__THROW __asm ("index") __attribute_pure__ __nonnull ((1));
extern const char *index (const char *__s, int __c)
__THROW __asm ("index") __attribute_pure__ __nonnull ((1));
# if defined __OPTIMIZE__
__extern_always_inline char *
index (char *__s, int __c) __THROW
{
return __builtin_index (__s, __c);
}
__extern_always_inline const char *
index (const char *__s, int __c) __THROW
{
return __builtin_index (__s, __c);
}
# endif
}
# else
extern char *index (const char *__s, int __c)
__THROW __attribute_pure__ __nonnull ((1));
# endif
/* Find the last occurrence of C in S (same as strrchr). */
# ifdef __CORRECT_ISO_CPP_STRINGS_H_PROTO
extern "C++"
{
extern char *rindex (char *__s, int __c)
__THROW __asm ("rindex") __attribute_pure__ __nonnull ((1));
extern const char *rindex (const char *__s, int __c)
__THROW __asm ("rindex") __attribute_pure__ __nonnull ((1));
# if defined __OPTIMIZE__
__extern_always_inline char *
rindex (char *__s, int __c) __THROW
{
return __builtin_rindex (__s, __c);
}
__extern_always_inline const char *
rindex (const char *__s, int __c) __THROW
{
return __builtin_rindex (__s, __c);
}
# endif
}
# else
extern char *rindex (const char *__s, int __c)
__THROW __attribute_pure__ __nonnull ((1));
# endif
#endif
#if defined __USE_MISC || !defined __USE_XOPEN2K8 || defined __USE_XOPEN2K8XSI
/* Return the position of the first bit set in I, or 0 if none are set.
The least-significant bit is position 1, the most-significant 32. */
extern int ffs (int __i) __THROW __attribute_const__;
#endif
/* The following two functions are non-standard but necessary for non-32 bit
platforms. */
# ifdef __USE_MISC
extern int ffsl (long int __l) __THROW __attribute_const__;
__extension__ extern int ffsll (long long int __ll)
__THROW __attribute_const__;
# endif
/* Compare S1 and S2, ignoring case. */
extern int strcasecmp (const char *__s1, const char *__s2)
__THROW __attribute_pure__ __nonnull ((1, 2));
/* Compare no more than N chars of S1 and S2, ignoring case. */
extern int strncasecmp (const char *__s1, const char *__s2, size_t __n)
__THROW __attribute_pure__ __nonnull ((1, 2));
#ifdef __USE_XOPEN2K8
/* POSIX.1-2008 extended locale interface (see locale.h). */
# include <bits/types/locale_t.h>
/* Compare S1 and S2, ignoring case, using collation rules from LOC. */
extern int strcasecmp_l (const char *__s1, const char *__s2, locale_t __loc)
__THROW __attribute_pure__ __nonnull ((1, 2, 3));
/* Compare no more than N chars of S1 and S2, ignoring case, using
collation rules from LOC. */
extern int strncasecmp_l (const char *__s1, const char *__s2,
size_t __n, locale_t __loc)
__THROW __attribute_pure__ __nonnull ((1, 2, 4));
#endif
__END_DECLS
#if __GNUC_PREREQ (3,4) && __USE_FORTIFY_LEVEL > 0 \
&& defined __fortify_function
/* Functions with security checks. */
# if defined __USE_MISC || !defined __USE_XOPEN2K8
# include <bits/strings_fortified.h>
# endif
#endif
#endif /* strings.h */
|
