std::iswupper
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| Defined in header <cwctype>
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| int iswupper( std::wint_t ch ); |
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。检查是否给定的宽字符是一个大写字母,即
ABCDEFGHIJKLMNOPQRSTUVWXYZ或任何当前的区域设置特定的大写字母.Original:
Checks if the given wide character is an uppercase letter, i.e. one of
ABCDEFGHIJKLMNOPQRSTUVWXYZ or any uppercase letter specific to the current locale.The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
You can help to correct and verify the translation. Click here for instructions.
[编辑] 。参数。
| ch | - | 。宽字符。
Original: wide character The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
===。 返回值。===
。非0值(true)的宽字符,如果是大写字母,
0(false),否则.Original:
Non-zero value (true) if the wide character is an uppercase letter,
0 (false) otherwise.The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
You can help to correct and verify the translation. Click here for instructions.
[编辑] 。为例。
#include <iostream> #include <cwctype> #include <clocale> int main() { wchar_t c = L'\u053d'; // Armenian capital letter xeh ('Խ') std::cout << std::hex << std::showbase << std::boolalpha; std::cout << "in the default locale, iswupper(" << (std::wint_t)c << ") = " << (bool)std::iswupper(c) << '\n'; std::setlocale(LC_ALL, "en_US.utf8"); std::cout << "in Unicode locale, iswupper(" << (std::wint_t)c << ") = " << (bool)std::iswupper(c) << '\n'; }
Output:
in the default locale, iswupper(0x53d) = false in Unicode locale, iswupper(0x53d) = true
[编辑] 。另请参阅。
| 检查,如果一个字符被归类为大写字母的语言环境 Original: checks if a character is classified as uppercase by a locale The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (函数模板) | |
| 检查,如果字符是一个大写字符 Original: checks if a character is an uppercase character The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (函数) | |
| C documentation for iswupper
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| ASCII values (hex) |
characters |
isupper |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 - 8 | 0x00-0x08
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control codes (NUL, etc.)
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≠0
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0
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0
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0
|
0
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0
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0
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0
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0
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0
|
0
|
0
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| 9 | 0x09
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tab (\t)
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≠0
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0
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≠0
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≠0
|
0
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0
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0
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0
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0
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0
|
0
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0
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| 10 - 13 | 0x0A-0x0D
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whitespaces (\n,\v,\f,\r)
|
≠0
|
0
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≠0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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| 14 - 31 | 0x0E-0x1F
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control codes | ≠0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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| 32 | 0x20
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space | 0
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≠0
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≠0
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≠0
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0
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0
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0
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0
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0
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0
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0
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0
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| 33 - 47 | 0x21-0x2F
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!"#$%&'()*+,-./
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0
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≠0
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0
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0
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≠0
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≠0
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0
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0
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0
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0
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0
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0
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| 48 - 57 | 0x30-0x39
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0123456789
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0
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≠0
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0
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0
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≠0
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0
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≠0
|
0
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0
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0
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≠0
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≠0
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| 58 - 64 | 0x3a-0x40
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:;<=>?@
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0
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≠0
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0
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0
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≠0
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≠0
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0
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0
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0
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0
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0
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0
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| 65 - 70 | 0x41-0x46
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ABCDEF
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0
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≠0
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0
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0
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≠0
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0
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≠0
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≠0
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≠0
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0
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0
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≠0
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| 71 - 90 | 0x47-0x5A
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GHIJKLMNOPQRSTUVWXYZ
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0
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≠0
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0
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0
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≠0
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0
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≠0
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≠0
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≠0
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0
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0
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0
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| 91 - 96 | 0x5B-0x60
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[\]^_`
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0
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≠0
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0
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0
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≠0
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≠0
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0
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0
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0
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0
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0
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0
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| 97 -102 | 0x61-0x66
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abcdef
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0
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≠0
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0
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0
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≠0
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0
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≠0
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≠0
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0
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≠0
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0
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≠0
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| 103-122 | 0x67-0x7A
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ghijklmnopqrstuvwxyz
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0
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≠0
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0
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0
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≠0
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0
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≠0
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≠0
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0
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≠0
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0
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0
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| 123-126 | 0x7B-0x7E
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{|}~
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0
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≠0
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0
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0
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≠0
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≠0
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0
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0
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0
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0
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0
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0
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| 127 | 0x7F
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backspace character (DEL)
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≠0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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0
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