# agora::util::IString类 参考 (/zh-CN/api-reference/rtc-server-sdk/cpp/classagora-1-1util-1-1-i-string)

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## 构造及析构函数说明 [#构造及析构函数说明]

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### ~IString() [#istring]

<ApiSignature labels="inline virtual">

virtual agora::util::IString::~IString()

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## 成员函数说明 [#成员函数说明]

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### empty() [#empty]

<ApiSignature labels="pure virtual">

virtual bool agora::util::IString::empty() const

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### c_str() [#c_str]

<ApiSignature labels="pure virtual">

virtual const char* agora::util::IString::c_str()

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### data() [#data]

<ApiSignature labels="pure virtual">

virtual const char* agora::util::IString::data()

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### length() [#length]

<ApiSignature labels="pure virtual">

virtual size_t agora::util::IString::length()

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### clone() [#clone]

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virtual [IString](/zh-CN/api-reference/rtc-server-sdk/cpp/classagora-1-1util-1-1-i-string)* agora::util::IString::clone()

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### release() [#release]

<ApiSignature labels="pure virtual">

virtual void agora::util::IString::release()

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