75 lines
1.9 KiB
Markdown
75 lines
1.9 KiB
Markdown
[streambuf.get.area]
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# 31 Input/output library [[input.output]](./#input.output)
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## 31.6 Stream buffers [[stream.buffers]](stream.buffers#streambuf.get.area)
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### 31.6.3 Class template basic_streambuf [[streambuf]](streambuf#get.area)
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#### 31.6.3.4 Protected member functions [[streambuf.protected]](streambuf.protected#streambuf.get.area)
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#### 31.6.3.4.2 Get area access [streambuf.get.area]
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[ð](#lib:eback,basic_streambuf)
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`char_type* eback() const;
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`
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[1](#1)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iostreams.tex#L3463)
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*Returns*: The beginning pointer for the input sequence[.](#1.sentence-1)
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[ð](#lib:gptr,basic_streambuf)
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`char_type* gptr() const;
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`
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[2](#2)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iostreams.tex#L3474)
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*Returns*: The next pointer for the input sequence[.](#2.sentence-1)
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[ð](#lib:egptr,basic_streambuf)
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`char_type* egptr() const;
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`
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[3](#3)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iostreams.tex#L3485)
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*Returns*: The end pointer for the input sequence[.](#3.sentence-1)
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[ð](#lib:gbump,basic_streambuf)
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`void gbump(int n);
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`
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[4](#4)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iostreams.tex#L3496)
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*Effects*: Adds n to the next pointer for the input sequence[.](#4.sentence-1)
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[ð](#lib:setg,basic_streambuf)
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`void setg(char_type* gbeg, char_type* gnext, char_type* gend);
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`
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[5](#5)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iostreams.tex#L3507)
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*Preconditions*: [gbeg, gnext), [gbeg, gend), and [gnext, gend)
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are all valid ranges[.](#5.sentence-1)
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[6](#6)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/iostreams.tex#L3512)
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*Postconditions*: gbeg == eback(),gnext == gptr(),
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andgend == egptr() are all true[.](#6.sentence-1)
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