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cppdraft/byte/strings.md
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[byte.strings]
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# 16 Library introduction [[library]](./#library)
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## 16.3 Method of description [[description]](description#byte.strings)
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### 16.3.3 Other conventions [[conventions]](conventions#byte.strings)
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#### 16.3.3.3 Type descriptions [[type.descriptions]](type.descriptions#byte.strings)
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#### 16.3.3.3.4 Character sequences [[character.seq]](character.seq#byte.strings)
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#### 16.3.3.3.4.2 Byte strings [byte.strings]
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[1](#1)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/lib-intro.tex#L788)
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A [*null-terminated byte string*](#def:ntbs "16.3.3.3.4.2 Byte strings [byte.strings]"),
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or ntbs,
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is a character sequence whose highest-addressed element
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with defined content has the value zero
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(the [*terminating null character*](#def:character,terminating_null "16.3.3.3.4.2 Byte strings [byte.strings]"));
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no other element in the sequence has the value zero[.](#1.sentence-1)[139](#footnote-139 "Many of the objects manipulated by function signatures declared in <cstring> are character sequences or ntbss. The size of some of these character sequences is limited by a length value, maintained separately from the character sequence.")
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[2](#2)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/lib-intro.tex#L803)
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The [*length of an ntbs*](#def:ntbs,length "16.3.3.3.4.2 Byte strings [byte.strings]") is the number of elements that
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precede the terminating null character[.](#2.sentence-1)
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An [*empty ntbs*](#def:ntbs,empty "16.3.3.3.4.2 Byte strings [byte.strings]") has a length of zero[.](#2.sentence-2)
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[3](#3)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/lib-intro.tex#L810)
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The [*value of an ntbs*](#def:ntbs,value "16.3.3.3.4.2 Byte strings [byte.strings]") is the sequence of values of the
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elements up to and including the terminating null character[.](#3.sentence-1)
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[4](#4)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/lib-intro.tex#L815)
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A [*static ntbs*](#def:ntbs,static "16.3.3.3.4.2 Byte strings [byte.strings]") is an ntbs with
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static storage duration[.](#4.sentence-1)[140](#footnote-140 "A string-literal, such as "abc", is a static ntbs.")
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[139)](#footnote-139)[139)](#footnoteref-139)
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Many of the objects manipulated by
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function signatures declared in[<cstring>](cstring.syn#header:%3ccstring%3e "27.5.1 Header <cstring> synopsis [cstring.syn]") are character sequences or ntbss[.](#footnote-139.sentence-1)
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The size of some of these character sequences is limited by
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a length value, maintained separately from the character sequence[.](#footnote-139.sentence-2)
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[140)](#footnote-140)[140)](#footnoteref-140)
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A [*string-literal*](lex.string#nt:string-literal "5.13.5 String literals [lex.string]"), such as"abc",
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is a static ntbs[.](#footnote-140.sentence-1)
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