Namespace
Varianti

std::isspace

Da cppreference.com.
< cpp‎ | string‎ | byte

 
 
Stringhe libreria
Null-stringhe terminate
Original:
Null-terminated strings
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Byte stringhe
Multibyte stringhe
Stringhe larghe
Classi
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Classes
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basic_string
char_traits
 
Null-stringhe terminate byte
Funzioni
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Functions
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Carattere manipolazione
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Character manipulation
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Le conversioni in formati numerici
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Conversions to numeric formats
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Della gestione delle stringhe
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String manipulation
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strcpy
strncpy
strcat
strncat
strxfrm
String esame
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String examination
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Memoria manipolazione
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Memory manipulation
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memchr
memcmp
memset
memcpy
memmove
Varie
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Miscellaneous
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strerror
 
Defined in header <cctype>
int isspace( int ch );
Controlla se il carattere dato è classificato come uno spazio bianco per la versione locale attualmente installato C. Nella località di default, i caratteri di spaziatura sono lo spazio (0x20), form feed (0x0c), avanzamento riga (0x0a), di ritorno a capo (0x0d), tabulazione orizzontale (0x09) e tabulazione verticale (0x0b).
Original:
Checks if the given character is classified as a whitespace character by the currently installed C locale. In the default locale, the whitespace characters are space (0x20), form feed (0x0c), line feed (0x0a), carriage return (0x0d), horizontal tab (0x09) and vertical tab (0x0b).
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[modifica] Parametri

ch -
carattere
Original:
character
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[modifica] Valore di ritorno

Valore diverso da zero (true) se il carattere è un carattere di spazio bianco, 0 (false) altrimenti.
Original:
Non-zero value (true) if the character is a whitespace character, 0 (false) otherwise.
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[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
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(funzione di modello) [edit]
Verifica se un carattere esteso è un carattere di spazio
Original:
checks if a wide character is a space character
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(funzione) [edit]
C documentation for isspace
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