std::ispunct
Da cppreference.com.
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Elemento definito nell'header <cctype> | ||
int ispunct(int ch ); | ||
Controlla se il carattere specificato è un carattere di punteggiatura nella versione locale corrente C. L'impostazione predefinita C locale classifica il
!"#$%&'()*+,-./:;<=>?@[\]^_`{|}~
caratteri come la punteggiatura.Original:
Checks if the given character is a punctuation character in the current C locale. The default C locale classifies the characters
!"#$%&'()*+,-./:;<=>?@[\]^_`{|}~
as punctuation.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.
Indice |
[modifica]Parametri
ch | - | carattere Original: character The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
[modifica]Valore di ritorno
Valore diverso da zero (true) se il carattere è un carattere di punteggiatura,
0
(false) altrimenti.Original:
Non-zero value (true) if the character is a punctuation 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.
[modifica]Esempio
#include <iostream>#include <cctype>#include <clocale> int main(){char c ='\xd7';// the character × (multiplication sign) in ISO-8859-1 std::cout<<"ispunct(\'\\xd7\', default C locale) returned "<<std::boolalpha<<(bool)std::ispunct(c)<<'\n'; std::setlocale(LC_ALL, "en_GB.iso88591");std::cout<<"ispunct(\'\\xd7\', ISO-8859-1 locale) returned "<<std::boolalpha<<(bool)std::ispunct(c)<<'\n';}
Output:
ispunct('\xd7', default C locale) returned false ispunct('\xd7', ISO-8859-1 locale) returned true
[modifica]Vedi anche
Verifica se un carattere è classificato come la punteggiatura da un locale Original: checks if a character is classified as punctuation 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. (funzione di modello) | |
Verifica se un carattere esteso è un carattere di punteggiatura Original: checks if a wide character is a punctuation character The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (funzione) | |
C documentation for ispunct |
ASCII values (hex) | characters | ispunct | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
0 - 8 | 0x00-0x08 | control codes (NUL , etc.) | ≠0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
9 | 0x09 | tab (\t ) | ≠0 | 0 | ≠0 | ≠0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
10 - 13 | 0x0A-0x0D | whitespaces (\n ,\v ,\f ,\r ) | ≠0 | 0 | ≠0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
14 - 31 | 0x0E-0x1F | control codes | ≠0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
32 | 0x20 | space | 0 | ≠0 | ≠0 | ≠0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
33 - 47 | 0x21-0x2F | !"#$%&'()*+,-./ | 0 | ≠0 | 0 | 0 | ≠0 | ≠0 | 0 | 0 | 0 | 0 | 0 | 0 |
48 - 57 | 0x30-0x39 | 0123456789 | 0 | ≠0 | 0 | 0 | ≠0 | 0 | ≠0 | 0 | 0 | 0 | ≠0 | ≠0 |
58 - 64 | 0x3a-0x40 | :;<=>?@ | 0 | ≠0 | 0 | 0 | ≠0 | ≠0 | 0 | 0 | 0 | 0 | 0 | 0 |
65 - 70 | 0x41-0x46 | ABCDEF | 0 | ≠0 | 0 | 0 | ≠0 | 0 | ≠0 | ≠0 | ≠0 | 0 | 0 | ≠0 |
71 - 90 | 0x47-0x5A | GHIJKLMNOPQRSTUVWXYZ | 0 | ≠0 | 0 | 0 | ≠0 | 0 | ≠0 | ≠0 | ≠0 | 0 | 0 | 0 |
91 - 96 | 0x5B-0x60 | [\]^_` | 0 | ≠0 | 0 | 0 | ≠0 | ≠0 | 0 | 0 | 0 | 0 | 0 | 0 |
97 -102 | 0x61-0x66 | abcdef | 0 | ≠0 | 0 | 0 | ≠0 | 0 | ≠0 | ≠0 | 0 | ≠0 | 0 | ≠0 |
103-122 | 0x67-0x7A | ghijklmnopqrstuvwxyz | 0 | ≠0 | 0 | 0 | ≠0 | 0 | ≠0 | ≠0 | 0 | ≠0 | 0 | 0 |
123-126 | 0x7B-0x7E | {|}~ | 0 | ≠0 | 0 | 0 | ≠0 | ≠0 | 0 | 0 | 0 | 0 | 0 | 0 |
127 | 0x7F | backspace character (DEL ) | ≠0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |