std::isxdigit
Материал из cppreference.com
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| Заголовочный файл <cctype>
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| int isxdigit( int ch ); |
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Проверяет, является ли данная широкий характер шестнадцатеричной цифрой (
0123456789abcdefABCDEF).Original:
Checks if the given wide character is a hexadecimal numeric character (
0123456789abcdefABCDEF).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 шестнадцатеричной цифрой,
0 (false) в противном случае.Original:
Non-zero value (true) if the character is an hexadecimal numeric 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] Notes
isdigit и isxdigit являются только стандартные узкий характер классификации функций, которые не зависят от установленной локали C. хотя в некоторых реализациях (например, Microsoft в 1252 кодовую страницу) может классифицировать дополнительные однобайтовые символы как цифры. Original:
isdigit and isxdigit are the only standard narrow character classification functions that are not affected by the currently installed C locale. although some implementations (e.g. Microsoft in 1252 codepage) may classify additional single-byte characters as digits. 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] См. также
| проверяет, является ли символ классифицируется как шестнадцатеричная цифра на местности Original: checks if a character is classified as a hexadecimal digit 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 символ шестнадцатеричным Original: checks if a character is a hexadecimal 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 isxdigit
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| ASCII values (hex) |
characters |
isxdigit | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 - 8 | 0x00-0x08
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control codes (NUL, etc.)
|
≠0
|
0
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0
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0
|
0
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0
|
0
|
0
|
0
|
0
|
0
|
0
|
| 9 | 0x09
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tab (\t)
|
≠0
|
0
|
≠0
|
≠0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
| 10 - 13 | 0x0A-0x0D
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whitespaces (\n,\v,\f,\r)
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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
|
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
|
0
|
0
|
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
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
0
|
| 33 - 47 | 0x21-0x2F
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!"#$%&'()*+,-./
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0
|
≠0
|
0
|
0
|
≠0
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≠0
|
0
|
0
|
0
|
0
|
0
|
0
|
| 48 - 57 | 0x30-0x39
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0123456789
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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
|
0
|
0
|
0
|
≠0
|
≠0
|
| 58 - 64 | 0x3a-0x40
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:;<=>?@
|
0
|
≠0
|
0
|
0
|
≠0
|
≠0
|
0
|
0
|
0
|
0
|
0
|
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
|
0
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| 91 - 96 | 0x5B-0x60
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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
|
| 97 -102 | 0x61-0x66
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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
|
0
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≠0
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≠0
|
0
|
≠0
|
0
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≠0
|
| 103-122 | 0x67-0x7A
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ghijklmnopqrstuvwxyz
|
0
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≠0
|
0
|
0
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≠0
|
0
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≠0
|
≠0
|
0
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≠0
|
0
|
0
|
| 123-126 | 0x7B-0x7E
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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
|
0
|
0
|
0
|
0
|
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
|
0
|
0
|
0
|
0
|
0
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