std::basic_string::c_str
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< cpp | string | basic string
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const CharT* c_str()const; | ||
Retorna um ponteiro para uma matriz de caracteres terminada em nulo com dados equivalentes aos armazenada na string. O ponteiro é tal que o intervalo é válido
[c_str(); c_str() + size()] e os valores em que correspondem aos valores armazenados na cadeia com um caractere nulo adicional após a última posição.Original:
Returns a pointer to a null-terminated character array with data equivalent to those stored in the string. The pointer is such that the range
[c_str(); c_str() + size()] is valid and the values in it correspond to the values stored in the string with an additional null character after the last position.The text has been machine-translated via Google Translate.
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Índice |
[editar]Notas
O ponteiro obtido
c_str() só pode ser tratado como um ponteiro para uma cadeia de caracteres terminada em nulo se o objeto string não contém outros caracteres nulos.Original:
The pointer obtained from
c_str() may only be treated as a pointer to a null-terminated character string if the string object does not contain other null characters.The text has been machine-translated via Google Translate.
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Escrevendo para a matriz de caracteres acessado através
c_str() é um comportamento indefinido.Original:
Writing to the character array accessed through
c_str() is undefined behavior.The text has been machine-translated via Google Translate.
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Como C + +11,
c_str() e data() executar a mesma função.Original:
Since C++11,
c_str() and data() perform the same function.The text has been machine-translated via Google Translate.
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[editar]Parâmetros
(Nenhum)
Original:
(none)
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[editar]Valor de retorno
Ponteiro para a matriz de caracteres terminada em nulo data()[i]== operator[](i) que tal para cada
i em [0, size()]. (até C++11)Original:
Pointer to the null-terminated character array such that data()[i]== operator[](i) for every
i in [0, size()]. (até C++11)The text has been machine-translated via Google Translate.
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Ponteiro para o armazenamento subjacente data()+ i ==&operator[](i) carácter tal que para cada
i em [0, size()]. (desde C++11)Original:
Pointer to the underlying character storage such that data()+ i ==&operator[](i) for every
i in [0, size()]. (desde C++11)The text has been machine-translated via Google Translate.
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[editar]Complexidade
Constante.
Original:
Constant.
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[editar]Exceções
[editar]Veja também
(C++11) | acessa o primeiro caractere Original: accesses the first character The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (função pública membro) |
(C++11) | acessa o último caractere Original: accesses the last character The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (função pública membro) |
retorna um ponteiro para o primeiro caractere de uma string Original: returns a pointer to the first character of a string The text has been machine-translated via Google Translate. You can help to correct and verify the translation. Click here for instructions. (função pública membro) | |
