Varianti

    std::basic_string::c_str

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    <metanoindex/>

     
    C++
     
    Stringhe libreria
    Null-stringhe terminate
    Original:
    Null-terminated strings
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    Byte stringhe
    Multibyte stringhe
    Stringhe larghe
    Classi
    Original:
    Classes
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    basic_string
    char_traits
     
    std::basic_string
    Membri funzioni
    Original:
    Member functions
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    basic_string::basic_string
    basic_string::operator=
    basic_string::assign
    basic_string::get_allocator
    Elemento accesso
    Original:
    Element access
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    basic_string::at
    basic_string::operator[]
    basic_string::front(C++11)
    basic_string::back(C++11)
    basic_string::data
    basic_string::c_str
    Iteratori
    Original:
    Iterators
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    basic_string::begin
    basic_string::cbegin
    (C++11)
    basic_string::end
    basic_string::cend
    (C++11)
    basic_string::rbegin
    basic_string::crbegin
    (C++11)
    basic_string::rend
    basic_string::crend
    (C++11)
    Capacità
    Original:
    Capacity
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    basic_string::empty
    basic_string::size
    basic_string::length
    basic_string::max_size
    basic_string::reserve
    basic_string::capacity
    basic_string::shrink_to_fit(C++11)
    Operazioni
    Original:
    Operations
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    basic_string::clear
    basic_string::insert
    basic_string::erase
    basic_string::push_back
    basic_string::pop_back(C++11)
    basic_string::append
    basic_string::operator+=
    basic_string::compare
    basic_string::replace
    basic_string::substr
    basic_string::copy
    basic_string::resize
    basic_string::swap
    Cerca
    Original:
    Search
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    basic_string::find
    basic_string::rfind
    basic_string::find_first_of
    basic_string::find_first_not_of
    basic_string::find_last_of
    basic_string::find_last_not_of
    Costanti
    Original:
    Constants
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    basic_string::npos
    Non membri funzioni
    Original:
    Non-member functions
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    operator+
    operator==
    operator!=
    operator<
    operator>
    operator<=
    operator>=
    swap(std::basic_string)
    operator<<
    operator>>
    getline
    stoi
    stol
    stoll    		(C++11)
    (C++11)
    (C++11)
    stoul
    stoull    		(C++11)
    (C++11)
    stof
    stod
    stold    		(C++11)
    (C++11)
    (C++11)
    to_string(C++11)
    to_wstring(C++11)
    Helper classi
    Original:
    Helper classes
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    hash<std::string>
    hash<std::wstring>
    hash<std::u32string>
    hash<std::u16string>    		(C++11)
     
    <tbody> </tbody>
    const CharT* c_str() const;
    Restituisce un puntatore a una terminazione null array di caratteri con i dati equivalenti a quelli memorizzati nella stringa. Il puntatore è tale che l'intervallo [c_str(); c_str() + size()] è valido e valori in esso corrispondono ai valori memorizzati nella stringa con un carattere nullo aggiuntivo dopo l'ultima posizione.
    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.
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    Note

    Il puntatore ottenuto da c_str() possono essere trattati come un puntatore a una stringa con terminazione null di caratteri se l'oggetto stringa non contiene altri caratteri nulli.
    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.
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    La scrittura della matrice di caratteri si accede tramite c_str() è un comportamento indefinito.
    Original:
    Writing to the character array accessed through c_str() is undefined behavior.
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    Dal momento che C + +11, c_str() data() e svolgono la stessa funzione.
    Original:
    Since C++11, c_str() and data() perform the same function.
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    Parametri

    (Nessuno)
    Original:
    (none)
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    Valore di ritorno

    Puntatore alla terminazione Null array di caratteri in modo tale che per ogni data()[i] == operator[](i) i in [0, size()]. (fino al c++11)
    Original:
    Pointer to the null-terminated character array such that data()[i] == operator[](i) for every i in [0, size()]. (fino al c++11)
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    Puntatore alla memoria carattere di fondo in modo tale che per ogni data() + i == &operator[](i) i in [0, size()]. (dal C++11)
    Original:
    Pointer to the underlying character storage such that data() + i == &operator[](i) for every i in [0, size()]. (dal C++11)
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    Complessità

    Costante.
    Original:
    Constant.
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    Eccezioni

    noexcept specification:  
    <tbody> </tbody>
    noexcept
      (dal C++11)

    Vedi anche

    (C++11)
    		 accede al primo carattere
    (metodo pubblico) [modifica]
    (C++11)
    		 accede all'ultimo carattere
    (metodo pubblico) [modifica]
    		restituisce un puntatore al primo carattere di una stringa
    (metodo pubblico) [modifica]