std::isgraph
Материал из cppreference.com
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| Заголовочный файл <cctype>
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| int isgraph( int ch ); |
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Проверяет, является ли данный символ имеет графическое представление, я. е. это либо номер (
0123456789), прописная буква (ABCDEFGHIJKLMNOPQRSTUVWXYZ), строчными буквами (abcdefghijklmnopqrstuvwxyz), или знак пунктуации (!"#$%&'()*+,-./:;<=>?@[\]^_`{|}~), или любого графического характера, характерные для текущего языка C.Original:
Checks if the given character has a graphical representation, i. e. it is either a number (
0123456789), an uppercase letter (ABCDEFGHIJKLMNOPQRSTUVWXYZ), a lowercase letter (abcdefghijklmnopqrstuvwxyz), or a punctuation character(!"#$%&'()*+,-./:;<=>?@[\]^_`{|}~), or any graphical character specific to 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.
You can help to correct and verify the translation. Click here for instructions.
Содержание |
[править] Параметры
| ch | - | характер
Original: character The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
[править] Возвращаемое значение
Номера для нулевого значения (true), если символ имеет графическое представление символов,
0 (false) в противном случае.Original:
Non-zero value (true) if the character has a graphical representation character,
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.
[править] Пример
#include <iostream> #include <cctype> #include <clocale> int main() { char c = '\xb6'; // the character ¶ in ISO-8859-1 std::cout << "isgraph(\'\\xb6\', default C locale) returned " << std::boolalpha << (bool)std::isgraph(c) << '\n'; std::setlocale(LC_ALL, "en_GB.iso88591"); std::cout << "isgraph(\'\\xb6\', ISO-8859-1 locale) returned " << std::boolalpha << (bool)std::isgraph(c) << '\n'; }
Вывод:
isgraph('\xb6', default C locale) returned false
isgraph('\xb6', ISO-8859-1 locale) returned true[править] См. также
| проверяет, является ли символ classfied как графические на местности Original: checks if a character is classfied as graphical 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. (шаблон функции) | |
| проверяет, является ли широкий символ представляет собой графический символ Original: checks if a wide character is a graphical character The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (функция) | |
| C документация для isgraph
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| ASCII values (hex) |
characters |
isgraph |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 - 8 | 0x00-0x08
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control codes (NUL, etc.)
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≠0
|
0
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0
|
0
|
0
|
0
|
0
|
0
|
0
|
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
|
≠0
|
≠0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
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
|
0
|
0
|
0
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0
|
0
|
0
|
0
|
0
|
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
|
0
|
0
|
0
|
0
|
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
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
| 33 - 47 | 0x21-0x2F
|
!"#$%&'()*+,-./
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0
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≠0
|
0
|
0
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≠0
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≠0
|
0
|
0
|
0
|
0
|
0
|
0
|
| 48 - 57 | 0x30-0x39
|
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
|
0
|
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
|
0
|
0
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≠0
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≠0
|
0
|
0
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0
|
0
|
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
|
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
|
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
|
0
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0
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≠0
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≠0
|
0
|
0
|
0
|
0
|
0
|
0
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| 97 -102 | 0x61-0x66
|
abcdef
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0
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≠0
|
0
|
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
|
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
|
≠0
|
0
|
≠0
|
0
|
0
|
| 123-126 | 0x7B-0x7E
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{|}~
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0
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≠0
|
0
|
0
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≠0
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≠0
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0
|
0
|
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
|
0
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0
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