std::toupper
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| Defined in header <cctype>
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| int toupper( int ch ); |
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。将指定的字符根据规则所定义的当前安装的C语言环境的字符转换成大写.
Original:
Converts the given character to uppercase according to the character conversion rules defined by the currently installed C locale.
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
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[编辑] 。参数。
| ch | - | 。要转换的字符。
Original: character to be converted 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。===
。转换的字符或
ch，如果没有的大写版本被定义为当前的C语言环境.Original:
Converted character or
ch if no uppercase version is defined by the current C locale.The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
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[编辑] 。为例。
#include <iostream> #include <cctype> #include <clocale> int main() { char c = '\xb8'; // the character ž in ISO-8859-15 // but ¸ (cedilla) in ISO-8859-1 std::setlocale(LC_ALL, "en_US.iso88591"); std::cout << std::hex << std::showbase; std::cout << "in iso8859-1, toupper('0xb8') gives " << std::toupper(c) << '\n'; std::setlocale(LC_ALL, "en_US.iso885915"); std::cout << "in iso8859-15, toupper('0xb8') gives " << std::toupper(c) << '\n'; }
Output:
in iso8859-1, toupper('0xb8') gives 0xb8
in iso8859-15, toupper('0xb8') gives 0xb4[编辑] 。另请参阅。
| 字符转换为小写 Original: converts a character to lowercase The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. （函数） | |
| 字符转换为大写的语言环境使用的CTYPE方面的 Original: converts a character to uppercase using the ctype facet of 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） | |
| 一个宽字符转换为大写 Original: converts a wide character to uppercase 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 toupper
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