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
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
|
.\" Hey Emacs! This file is -*- nroff -*- source.
.\"
.\" Copyright (C) Markus Kuhn, 1996
.\" İ Copyright (c) Bill Pan www.LinuxForum.net
.\"
.\" This is free documentation; you can redistribute it and/or
.\" modify it under the terms of the GNU General Public License as
.\" published by the Free Software Foundation; either version 2 of
.\" the License, or (at your option) any later version.
.\"
.\" The GNU General Public License's references to "object code"
.\" and "executables" are to be interpreted as the output of any
.\" document formatting or typesetting system, including
.\" intermediate and printed output.
.\"
.\" This manual 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 General Public License for more details.
.\"
.\" You should have received a copy of the GNU General Public
.\" License along with this manual; if not, write to the Free
.\" Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111,
.\" USA.
.\"
.\" 1995-11-26 Markus Kuhn
.\" First version written
.\"
.TH UTF-8 7 "1995-11-26" "Linux" "Linux Programmer's Manual"
.SH
UTF-8 \- ASCII ݵĶֽ Unicode
.SH
The
.B Unicode
ַʹõ 16 λ˫ֽڣ롣ձ Unicode 뷽
.BR UCS-2 )
һ 16 λ˫ɡ
ַа˵һЩ确\\0/ļл C
⺯оַ
⣬ûشĻֲ ASCII ļ UNIX
߲ܹȷʶ 16 λַˣ
.B UCS-2
.B Unicode
ļıļȵ˵һֺʵⲿ뷽ʽ
.BR "ISO 10646 Universal Character Set (UCS)" ,
Unicode ijʹ 31 λ뷽ʽ
ʹ 32 UCS-4 Ҳͬ⡣
.B UCS-4
.B UTF-8
.B Unicode
.B UCS
Ͳ⡣ԣUTF-8 Ե UNIX ϵͳµ
.B Unicode
ַĽ
.SH
.B UTF-8
ԣ
.TP 0.2i
*
.B UCS
ַ 0x00000000 0x0000007f ͳ
.B US-ASCII
ַرΪֽ 0x00 0x7f ASCII ݣ
ζֻ 7 λ ASCII ַļַ
.B ASCII
.BR UTF-8 .
뷽ʽȫһġ
.TP
*
д 0x7f
.B UCS
ַΪֽСȫ 0x80 0fd ַɣ
Ͳб ASCII ַ
Ϊijֵһ֣
ڡ\\0͡\ַ˵ҲͲˡ
.TP
*
.B UCS-4
ֵеֽڴ˳
.TP
*
2^32 η UCS 붼ܹʹ
.BR UTF-8
б롣
.TP
*
0xfe 0xff ַ
.B UTF-8
вᱻõ
.TP
*
ʾ ASCII
.B UCS
ֽڴĿʼַ 0xc0 0xfd ַָ֮ôijȡ
ֽڴַ 0x80
0xbf ַ֮
ʹͬdz̬ģ
ֽҲ
.TP
*
.B UTF-8
.B UCS
ַӵ 6 ֽڵijȡ
.B Unicode
ֻӵ 3 ֽڳ Linux ֻʹ 16 λ
.B Unicode
.BR UCS
Ӽ Linux £
.B UTF-8
ֽڴᳬֽڡ
.SH 뷽ʽ
ֽڴʾһַʲôոַ UCS е
.TP 0.4i
0x00000000 - 0x0000007F:
.RI 0xxxxxxx
.TP
0x00000080 - 0x000007FF:
.RI 110xxxxx
.RI 10xxxxxx
.TP
0x00000800 - 0x0000FFFF:
.RI 1110xxxx
.RI 10xxxxxx
.RI 10xxxxxx
.TP
0x00010000 - 0x001FFFFF:
.RI 11110xxx
.RI 10xxxxxx
.RI 10xxxxxx
.RI 10xxxxxx
.TP
0x00200000 - 0x03FFFFFF:
.RI 111110xx
.RI 10xxxxxx
.RI 10xxxxxx
.RI 10xxxxxx
.RI 10xxxxxx
.TP
0x04000000 - 0x7FFFFFFF:
.RI 1111110x
.RI 10xxxxxx
.RI 10xxxxxx
.RI 10xxxxxx
.RI 10xxxxxx
.RI 10xxxxxx
.PP
.I xxx
λöλʽַ롣
̵ֻǸ㹻һַĶֽڴ
.SH ˵
.B Unicode
ַ 0xa9 = 1010 1001 (Ȩеķ) UTF-8 бΪ
.PP
.RS
11000010 10101001 = 0xc2 0xa9
.RE
.PP
ַ0x2260 = 0010 0010 0110 0000 (ڡ)Ϊ
.PP
.RS
11100010 10001001 10100000 = 0xe2 0x89 0xa0
.RE
.SH ѭ
ISO 10646, Unicode 1.1, XPG4, Plan 9.
.SH
Markus Kuhn
.SH ο
.BR unicode (7)
.SH "[İά]"
billpan Email: billpan@yeah.net
.SH "[ݸ]"
2000/11/09
.SH "[й Linux ̳ man ֲҳƻ]"
.TP
.BI www.cmpp.net/
|
