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Size
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Date
Action
alphaindex.h
26.25
KB
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2019-10-10 05:03
appendable.h
8.38
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2019-10-10 05:03
basictz.h
8.85
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2019-10-10 05:03
brkiter.h
27.62
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2019-10-10 05:03
bytestream.h
9.28
KB
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2019-10-10 05:03
bytestrie.h
19.27
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2019-10-10 05:03
bytestriebuilder.h
7.11
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2019-10-10 05:03
calendar.h
105.38
KB
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2019-10-10 05:03
caniter.h
7.36
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2019-10-10 05:03
chariter.h
23.83
KB
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2019-10-10 05:03
choicfmt.h
23.86
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2019-10-10 05:03
coleitr.h
13.69
KB
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2019-10-10 05:03
coll.h
55.59
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2019-10-10 05:03
compactdecimalformat.h
16.59
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2019-10-10 05:03
curramt.h
3.69
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2019-10-10 05:03
currpinf.h
7.09
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2019-10-10 05:03
currunit.h
2.93
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2019-10-10 05:03
datefmt.h
40.19
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2019-10-10 05:03
dbbi.h
1.12
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2019-10-10 05:03
dcfmtsym.h
16.58
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2019-10-10 05:03
decimfmt.h
90.64
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2019-10-10 05:03
docmain.h
6.42
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2019-10-10 05:03
dtfmtsym.h
37.61
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2019-10-10 05:03
dtintrv.h
3.77
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2019-10-10 05:03
dtitvfmt.h
42.88
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2019-10-10 05:03
dtitvinf.h
18.63
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2019-10-10 05:03
dtptngen.h
23.54
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2019-10-10 05:03
dtrule.h
8.63
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2019-10-10 05:03
enumset.h
2.07
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2019-10-10 05:03
errorcode.h
4.79
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2019-10-10 05:03
fieldpos.h
8.64
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2019-10-10 05:03
filteredbrk.h
4.29
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2019-10-10 05:03
fmtable.h
24.4
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2019-10-10 05:03
format.h
12.45
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2019-10-10 05:03
fpositer.h
2.99
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2019-10-10 05:03
gender.h
3.19
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2019-10-10 05:03
gregocal.h
31.58
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2019-10-10 05:03
icudataver.h
1.04
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2019-10-10 05:03
icuplug.h
11.87
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2019-10-10 05:03
idna.h
12.65
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2019-10-10 05:03
listformatter.h
4.85
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2019-10-10 05:03
localpointer.h
18.19
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2019-10-10 05:03
locdspnm.h
7.04
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2019-10-10 05:03
locid.h
31.42
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2019-10-10 05:03
measfmt.h
11.31
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2019-10-10 05:03
measunit.h
38.43
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2019-10-10 05:03
measure.h
4.27
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2019-10-10 05:03
messagepattern.h
33.66
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2019-10-10 05:03
msgfmt.h
43.17
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2019-10-10 05:03
normalizer2.h
28.29
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2019-10-10 05:03
normlzr.h
30.72
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2019-10-10 05:03
numfmt.h
45.98
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2019-10-10 05:03
numsys.h
6.74
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2019-10-10 05:03
parseerr.h
3.09
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2019-10-10 05:03
parsepos.h
5.46
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2019-10-10 05:03
platform.h
27.25
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2019-10-10 05:03
plurfmt.h
25.67
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2019-10-10 05:03
plurrule.h
17.28
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2019-10-10 05:03
ptypes.h
3.48
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2019-10-10 05:03
putil.h
6.35
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2019-10-10 05:03
rbbi.h
27.78
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2019-10-10 05:03
rbnf.h
47.01
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2019-10-10 05:03
rbtz.h
15.48
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2019-10-10 05:03
regex.h
84.88
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2019-10-10 05:03
region.h
9.13
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2019-10-10 05:03
reldatefmt.h
14.34
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2019-10-10 05:03
rep.h
9.5
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2019-10-10 05:03
resbund.h
18.01
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2019-10-10 05:03
schriter.h
6.27
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2019-10-10 05:03
scientificnumberformatter.h
6.6
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2019-10-10 05:03
search.h
22.22
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2019-10-10 05:03
selfmt.h
14.25
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2019-10-10 05:03
simpleformatter.h
11.26
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2019-10-10 05:03
simpletz.h
45.25
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2019-10-10 05:03
smpdtfmt.h
69.73
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2019-10-10 05:03
sortkey.h
11.13
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2019-10-10 05:03
std_string.h
1
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2019-10-10 05:03
strenum.h
10.04
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2019-10-10 05:03
stringpiece.h
6.49
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2019-10-10 05:03
stringtriebuilder.h
15.17
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2019-10-10 05:03
stsearch.h
21.3
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2019-10-10 05:03
symtable.h
4.22
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2019-10-10 05:03
tblcoll.h
36.37
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2019-10-10 05:03
timezone.h
40.83
KB
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2019-10-10 05:03
tmunit.h
3.3
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2019-10-10 05:03
tmutamt.h
4.81
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2019-10-10 05:03
tmutfmt.h
7.8
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2019-10-10 05:03
translit.h
54.53
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2019-10-10 05:03
tzfmt.h
42.81
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2019-10-10 05:03
tznames.h
16.86
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2019-10-10 05:03
tzrule.h
35.33
KB
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2019-10-10 05:03
tztrans.h
6.08
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2019-10-10 05:03
ubidi.h
89.14
KB
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2019-10-10 05:03
ubiditransform.h
12.76
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2019-10-10 05:03
ubrk.h
20.74
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2019-10-10 05:03
ucal.h
54.55
KB
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2019-10-10 05:03
ucasemap.h
16.57
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2019-10-10 05:03
ucat.h
5.37
KB
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2019-10-10 05:03
uchar.h
130.91
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2019-10-10 05:03
ucharstrie.h
20.92
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2019-10-10 05:03
ucharstriebuilder.h
7.13
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2019-10-10 05:03
uchriter.h
12.95
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2019-10-10 05:03
uclean.h
11.15
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2019-10-10 05:03
ucnv.h
83.07
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2019-10-10 05:03
ucnv_cb.h
6.6
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2019-10-10 05:03
ucnv_err.h
21
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2019-10-10 05:03
ucnvsel.h
6.15
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2019-10-10 05:03
ucol.h
61.36
KB
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2019-10-10 05:03
ucoleitr.h
9.46
KB
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2019-10-10 05:03
uconfig.h
11.88
KB
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2019-10-10 05:03
ucsdet.h
14.47
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2019-10-10 05:03
ucurr.h
15.16
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2019-10-10 05:03
udat.h
60.25
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2019-10-10 05:03
udata.h
15.55
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2019-10-10 05:03
udateintervalformat.h
6.8
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2019-10-10 05:03
udatpg.h
24.12
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2019-10-10 05:03
udisplaycontext.h
6
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2019-10-10 05:03
uenum.h
7.88
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2019-10-10 05:03
ufieldpositer.h
4.37
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2019-10-10 05:03
uformattable.h
10.94
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2019-10-10 05:03
ugender.h
2.01
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2019-10-10 05:03
uidna.h
33.38
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2019-10-10 05:03
uiter.h
22.79
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2019-10-10 05:03
uldnames.h
10.46
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2019-10-10 05:03
ulistformatter.h
4.55
KB
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2019-10-10 05:03
uloc.h
50.07
KB
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2019-10-10 05:03
ulocdata.h
11.27
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2019-10-10 05:03
umachine.h
11.56
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2019-10-10 05:03
umisc.h
1.35
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2019-10-10 05:03
umsg.h
24.24
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2019-10-10 05:03
unifilt.h
3.64
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2019-10-10 05:03
unifunct.h
3.99
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2019-10-10 05:03
unimatch.h
6.05
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2019-10-10 05:03
unirepl.h
3.33
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2019-10-10 05:03
uniset.h
63.99
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2019-10-10 05:03
unistr.h
169.99
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2019-10-10 05:03
unorm.h
20.43
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2019-10-10 05:03
unorm2.h
25.23
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2019-10-10 05:03
unum.h
50.01
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2019-10-10 05:03
unumsys.h
7.15
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2019-10-10 05:03
uobject.h
10.73
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2019-10-10 05:03
upluralrules.h
4.74
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2019-10-10 05:03
uregex.h
72.07
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2019-10-10 05:03
uregion.h
9.84
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2019-10-10 05:03
ureldatefmt.h
12.31
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2019-10-10 05:03
urename.h
124.22
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2019-10-10 05:03
urep.h
5.39
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2019-10-10 05:03
ures.h
36.53
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2019-10-10 05:03
uscript.h
25.66
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2019-10-10 05:03
usearch.h
38.15
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2019-10-10 05:03
uset.h
39.92
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2019-10-10 05:03
usetiter.h
9.5
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2019-10-10 05:03
ushape.h
18.01
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2019-10-10 05:03
uspoof.h
65.05
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2019-10-10 05:03
usprep.h
8.14
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2019-10-10 05:03
ustdio.h
38.55
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2019-10-10 05:03
ustream.h
1.92
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2019-10-10 05:03
ustring.h
72.81
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2019-10-10 05:03
ustringtrie.h
3.16
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2019-10-10 05:03
utext.h
58.09
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2019-10-10 05:03
utf.h
7.76
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2019-10-10 05:03
utf16.h
18.75
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2019-10-10 05:03
utf32.h
777
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2019-10-10 05:03
utf8.h
27.74
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2019-10-10 05:03
utf_old.h
42.62
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2019-10-10 05:03
utmscale.h
13.49
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2019-10-10 05:03
utrace.h
13.9
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2019-10-10 05:03
utrans.h
25.54
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2019-10-10 05:03
utypes.h
29.92
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2019-10-10 05:03
uvernum.h
5.71
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2019-10-10 05:03
uversion.h
6.42
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2019-10-10 05:03
vtzone.h
20.18
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2019-10-10 05:03
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// Copyright (C) 2016 and later: Unicode, Inc. and others. // License & terms of use: http://www.unicode.org/copyright.html /* ******************************************************************************* * * Copyright (C) 1999-2011, International Business Machines * Corporation and others. All Rights Reserved. * ******************************************************************************* * file name: utf.h * encoding: US-ASCII * tab size: 8 (not used) * indentation:4 * * created on: 1999sep09 * created by: Markus W. Scherer */ /** * \file * \brief C API: Code point macros * * This file defines macros for checking whether a code point is * a surrogate or a non-character etc. * * The UChar and UChar32 data types for Unicode code units and code points * are defined in umachine.h because they can be machine-dependent. * * If U_NO_DEFAULT_INCLUDE_UTF_HEADERS is 0 then utf.h is included by utypes.h * and itself includes utf8.h and utf16.h after some * common definitions. * If U_NO_DEFAULT_INCLUDE_UTF_HEADERS is 1 then each of these headers must be * included explicitly if their definitions are used. * * utf8.h and utf16.h define macros for efficiently getting code points * in and out of UTF-8/16 strings. * utf16.h macros have "U16_" prefixes. * utf8.h defines similar macros with "U8_" prefixes for UTF-8 string handling. * * ICU mostly processes 16-bit Unicode strings. * Most of the time, such strings are well-formed UTF-16. * Single, unpaired surrogates must be handled as well, and are treated in ICU * like regular code points where possible. * (Pairs of surrogate code points are indistinguishable from supplementary * code points encoded as pairs of supplementary code units.) * * In fact, almost all Unicode code points in normal text (>99%) * are on the BMP (<=U+ffff) and even <=U+d7ff. * ICU functions handle supplementary code points (U+10000..U+10ffff) * but are optimized for the much more frequently occurring BMP code points. * * umachine.h defines UChar to be an unsigned 16-bit integer. * Where available, UChar is defined to be a char16_t * or a wchar_t (if that is an unsigned 16-bit type), otherwise uint16_t. * * UChar32 is defined to be a signed 32-bit integer (int32_t), large enough for a 21-bit * Unicode code point (Unicode scalar value, 0..0x10ffff). * Before ICU 2.4, the definition of UChar32 was similarly platform-dependent as * the definition of UChar. For details see the documentation for UChar32 itself. * * utf.h defines a small number of C macros for single Unicode code points. * These are simple checks for surrogates and non-characters. * For actual Unicode character properties see uchar.h. * * By default, string operations must be done with error checking in case * a string is not well-formed UTF-16. * The macros will detect if a surrogate code unit is unpaired * (lead unit without trail unit or vice versa) and just return the unit itself * as the code point. * * The regular "safe" macros require that the initial, passed-in string index * is within bounds. They only check the index when they read more than one * code unit. This is usually done with code similar to the following loop: * <pre>while(i<length) { * U16_NEXT(s, i, length, c); * // use c * }</pre> * * When it is safe to assume that text is well-formed UTF-16 * (does not contain single, unpaired surrogates), then one can use * U16_..._UNSAFE macros. * These do not check for proper code unit sequences or truncated text and may * yield wrong results or even cause a crash if they are used with "malformed" * text. * In practice, U16_..._UNSAFE macros will produce slightly less code but * should not be faster because the processing is only different when a * surrogate code unit is detected, which will be rare. * * Similarly for UTF-8, there are "safe" macros without a suffix, * and U8_..._UNSAFE versions. * The performance differences are much larger here because UTF-8 provides so * many opportunities for malformed sequences. * The unsafe UTF-8 macros are entirely implemented inside the macro definitions * and are fast, while the safe UTF-8 macros call functions for all but the * trivial (ASCII) cases. * (ICU 3.6 optimizes U8_NEXT() and U8_APPEND() to handle most other common * characters inline as well.) * * Unlike with UTF-16, malformed sequences cannot be expressed with distinct * code point values (0..U+10ffff). They are indicated with negative values instead. * * For more information see the ICU User Guide Strings chapter * (http://userguide.icu-project.org/strings). * * <em>Usage:</em> * ICU coding guidelines for if() statements should be followed when using these macros. * Compound statements (curly braces {}) must be used for if-else-while... * bodies and all macro statements should be terminated with semicolon. * * @stable ICU 2.4 */ #ifndef __UTF_H__ #define __UTF_H__ #include "unicode/umachine.h" /* include the utfXX.h after the following definitions */ /* single-code point definitions -------------------------------------------- */ /** * Is this code point a Unicode noncharacter? * @param c 32-bit code point * @return TRUE or FALSE * @stable ICU 2.4 */ #define U_IS_UNICODE_NONCHAR(c) \ ((c)>=0xfdd0 && \ ((uint32_t)(c)<=0xfdef || ((c)&0xfffe)==0xfffe) && \ (uint32_t)(c)<=0x10ffff) /** * Is c a Unicode code point value (0..U+10ffff) * that can be assigned a character? * * Code points that are not characters include: * - single surrogate code points (U+d800..U+dfff, 2048 code points) * - the last two code points on each plane (U+__fffe and U+__ffff, 34 code points) * - U+fdd0..U+fdef (new with Unicode 3.1, 32 code points) * - the highest Unicode code point value is U+10ffff * * This means that all code points below U+d800 are character code points, * and that boundary is tested first for performance. * * @param c 32-bit code point * @return TRUE or FALSE * @stable ICU 2.4 */ #define U_IS_UNICODE_CHAR(c) \ ((uint32_t)(c)<0xd800 || \ ((uint32_t)(c)>0xdfff && \ (uint32_t)(c)<=0x10ffff && \ !U_IS_UNICODE_NONCHAR(c))) /** * Is this code point a BMP code point (U+0000..U+ffff)? * @param c 32-bit code point * @return TRUE or FALSE * @stable ICU 2.8 */ #define U_IS_BMP(c) ((uint32_t)(c)<=0xffff) /** * Is this code point a supplementary code point (U+10000..U+10ffff)? * @param c 32-bit code point * @return TRUE or FALSE * @stable ICU 2.8 */ #define U_IS_SUPPLEMENTARY(c) ((uint32_t)((c)-0x10000)<=0xfffff) /** * Is this code point a lead surrogate (U+d800..U+dbff)? * @param c 32-bit code point * @return TRUE or FALSE * @stable ICU 2.4 */ #define U_IS_LEAD(c) (((c)&0xfffffc00)==0xd800) /** * Is this code point a trail surrogate (U+dc00..U+dfff)? * @param c 32-bit code point * @return TRUE or FALSE * @stable ICU 2.4 */ #define U_IS_TRAIL(c) (((c)&0xfffffc00)==0xdc00) /** * Is this code point a surrogate (U+d800..U+dfff)? * @param c 32-bit code point * @return TRUE or FALSE * @stable ICU 2.4 */ #define U_IS_SURROGATE(c) (((c)&0xfffff800)==0xd800) /** * Assuming c is a surrogate code point (U_IS_SURROGATE(c)), * is it a lead surrogate? * @param c 32-bit code point * @return TRUE or FALSE * @stable ICU 2.4 */ #define U_IS_SURROGATE_LEAD(c) (((c)&0x400)==0) /** * Assuming c is a surrogate code point (U_IS_SURROGATE(c)), * is it a trail surrogate? * @param c 32-bit code point * @return TRUE or FALSE * @stable ICU 4.2 */ #define U_IS_SURROGATE_TRAIL(c) (((c)&0x400)!=0) /* include the utfXX.h ------------------------------------------------------ */ #if !U_NO_DEFAULT_INCLUDE_UTF_HEADERS #include "unicode/utf8.h" #include "unicode/utf16.h" /* utf_old.h contains deprecated, pre-ICU 2.4 definitions */ #include "unicode/utf_old.h" #endif /* !U_NO_DEFAULT_INCLUDE_UTF_HEADERS */ #endif /* __UTF_H__ */