Namespace
Varianti

std::iswspace

Da cppreference.com.
< cpp‎ | string‎ | wide

 
 
Stringhe libreria
Null-stringhe terminate
Original:
Null-terminated strings
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
Byte stringhe
Multibyte stringhe
Stringhe larghe
Classi
Original:
Classes
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
basic_string
char_traits
 
Stringhe larghe null-terminated
Funzioni
Original:
Functions
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
Carattere manipolazione
Original:
Character manipulation
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
Le conversioni in formati numerici
Original:
Conversions to numeric formats
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
Della gestione delle stringhe
Original:
String manipulation
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
Matrice manipolazione
Original:
Array manipulation
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.
wmemcpy
wmemmove
wmemcmp
wmemchr
wmemset
 
Defined in header <cwctype>
int iswspace( wint_t ch );
Controlla se il carattere in larga è uno spazio bianco, cioè o spazio (0x20), form feed (0x0c), avanzamento riga (0x0a), di ritorno a capo (0x0d), tabulazione orizzontale (0x09), tabulazione verticale (0x0b) o gli spazi vuoti carattere specifico con i parametri locali.
Original:
Checks if the given wide character is a whitespace character, i.e. either space (0x20), form feed (0x0c), line feed (0x0a), carriage return (0x0d), horizontal tab (0x09), vertical tab (0x0b) or any whitespace character 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.

Indice

[modifica] Parametri

ch -
carattere esteso
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.

[modifica] Valore di ritorno

Valore diverso da zero (true) se il personaggio è un ampio spazio bianco, 0 (false) altrimenti.
Original:
Non-zero value (true) if the wide character is a whitespace 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.

[modifica] Esempio

Viene illustrato l'utilizzo di iswspace () con diverse impostazioni internazionali
Original:
Demonstrates the use of iswspace() with different locales
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

#include <iostream>
#include <clocale>
#include <cwctype>
void try_with(wchar_t c, const char* loc)
{
    std::setlocale(LC_ALL, loc);
    std::wcout << "isspace('" << c << "') in " << loc << " locale returned "
               << std::boolalpha << (bool)std::iswspace(c) << '\n';
}
int main()
{
    wchar_t EM_SPACE = L'\u2003'; // Unicode character 'EM SPACE'
    try_with(EM_SPACE, "C");
    try_with(EM_SPACE, "en_US.UTF8");
}

Output:

isspace(' ') in C locale returned false
isspace(' ') in en_US.UTF8 locale returned true


[modifica] Vedi anche

controlla se un personaggio è classificato come spazi da un locale
Original:
checks if a character is classified as whitespace 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) [edit]
Verifica se un carattere è un carattere di spazio
Original:
checks if a character is a space character
The text has been machine-translated via Google Translate.
You can help to correct and verify the translation. Click here for instructions.

(funzione) [edit]
C documentation for iswspace
ASCII values
(hex)
characters

iscntrl
iswcntrl

isprint
iswprint

isspace
iswspace

isblank
iswblank

isgraph
iswgraph

ispunct
iswpunct

isalnum
iswalnum

isalpha
iswalpha

isupper
iswupper

islower
iswlower

isdigit
iswdigit

isxdigit
iswxdigit

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