50 lines
1.9 KiB
Markdown
50 lines
1.9 KiB
Markdown
[alg.c.library]
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# 26 Algorithms library [[algorithms]](./#algorithms)
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## 26.13 C library algorithms [alg.c.library]
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[1](#1)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/algorithms.tex#L14449)
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[*Note [1](#note-1)*:
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The header [<cstdlib>](cstdlib.syn#header:%3ccstdlib%3e "17.2.2 Header <cstdlib> synopsis [cstdlib.syn]") declares the functions described in this subclause[.](#1.sentence-1)
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â *end note*]
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[ð](#lib:bsearch)
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`void* bsearch(const void* key, void* base, size_t nmemb, size_t size,
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c-compare-pred* compar);
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void* bsearch(const void* key, void* base, size_t nmemb, size_t size,
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compare-pred* compar);
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const void* bsearch(const void* key, const void* base, size_t nmemb, size_t size,
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c-compare-pred* compar);
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const void* bsearch(const void* key, const void* base, size_t nmemb, size_t size,
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compare-pred* compar);
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void qsort(void* base, size_t nmemb, size_t size, c-compare-pred* compar);
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void qsort(void* base, size_t nmemb, size_t size, compare-pred* compar);
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`
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[2](#2)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/algorithms.tex#L14471)
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*Preconditions*: For qsort, the objects in the array pointed to by base are of trivially copyable type[.](#2.sentence-1)
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[3](#3)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/algorithms.tex#L14476)
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*Effects*: These functions have the semantics specified in the C standard library[.](#3.sentence-1)
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[4](#4)
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[#](http://github.com/Eelis/draft/tree/9adde4bc1c62ec234483e63ea3b70a59724c745a/source/algorithms.tex#L14480)
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*Throws*: Any exception thrown by compar ([[res.on.exception.handling]](res.on.exception.handling "16.4.6.14 Restrictions on exception handling"))[.](#4.sentence-1)
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See also: ISO/IEC 9899:2024, 7.24.5
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