std::isprint
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Definido no cabeçalho <cctype> | ||
int isprint(int ch ); | ||
Verifica se o caráter dado pode ser impresso, i. e. ou é um número (
0123456789), uma letra maiúscula (ABCDEFGHIJKLMNOPQRSTUVWXYZ), uma letra minúscula (abcdefghijklmnopqrstuvwxyz), um caractere de pontuação (!"#$%&'()*+,-./:;<=>?@[\]^_`{|}~), ou espaço, ou qualquer personagem classificado como de impressão pela localidade C atual.Original:
Checks if the given character can be printed, i. e. it is either a number (
0123456789), an uppercase letter (ABCDEFGHIJKLMNOPQRSTUVWXYZ), a lowercase letter (abcdefghijklmnopqrstuvwxyz), a punctuation character(!"#$%&'()*+,-./:;<=>?@[\]^_`{|}~), or space, or any character classified as printable by 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.
Índice |
[editar]Parâmetros
| ch | - | personagem Original: character The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. |
[editar]Valor de retorno
Valor diferente de zero (true) se o personagem pode ser impresso,
0 (false) de outra forma.Original:
Non-zero value (true) if the character can be printed,
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.
[editar]Exemplo
#include <iostream>#include <cctype>#include <clocale> int main(){char c ='\xa0';// the non-breaking space in ISO-8859-1 std::cout<<"isprint(\'\\xa0\', default C locale) returned "<<std::boolalpha<<(bool)std::isprint(c)<<'\n'; std::setlocale(LC_ALL, "en_GB.iso88591");std::cout<<"isprint(\'\\xa0\', ISO-8859-1 locale) returned "<<std::boolalpha<<(bool)std::isprint(c)<<'\n';}
Saída:
isprint('\xa0', default C locale) returned false isprint('\xa0', ISO-8859-1 locale) returned true[editar]Veja também
checa se o caractere é classificado como de impressão pela localização Original: checks if a character is classified as printable 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. (modelo de função) | |
verifica se um personagem é um personagem de largura de impressão Original: checks if a wide character is a printing character The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (função) | |
Documentação C para isprint | |
| ASCII values (hex) | characters | isprint | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
