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diff --git a/devdocs/c/string%2Fwide%2Fwcscspn.html b/devdocs/c/string%2Fwide%2Fwcscspn.html new file mode 100644 index 00000000..2cafb850 --- /dev/null +++ b/devdocs/c/string%2Fwide%2Fwcscspn.html @@ -0,0 +1,39 @@ + <h1 id="firstHeading" class="firstHeading">wcscspn</h1> <table class="t-dcl-begin"> <tr class="t-dsc-header"> <th> Defined in header <code><wchar.h></code> </th> <th> </th> <th> </th> </tr> <tr class="t-dcl"> <td> <pre data-language="c">size_t wcscspn( const wchar_t* dest, const wchar_t* src );</pre> +</td> <td class="t-dcl-nopad"> </td> <td> <span class="t-mark-rev t-since-c95">(since C95)</span> </td> </tr> </table> <p>Returns the length of the maximum initial segment of the wide string pointed to by <code>dest</code>, that consists of only the characters <i>not</i> found in wide string pointed to by <code>src</code>.</p> +<h3 id="Parameters"> Parameters</h3> <table class="t-par-begin"> <tr class="t-par"> <td> dest </td> <td> - </td> <td> pointer to the null-terminated wide string to be analyzed </td> +</tr> <tr class="t-par"> <td> src </td> <td> - </td> <td> pointer to the null-terminated wide string that contains the characters to search for </td> +</tr> +</table> <h3 id="Return_value"> Return value</h3> <p>The length of the maximum initial segment that contains only characters not found in the character string pointed to by <code>src</code></p> +<h3 id="Example"> Example</h3> <div class="t-example"> <div class="c source-c"><pre data-language="c">#include <locale.h> +#include <wchar.h> + +int main(void) +{ + wchar_t dest[] = L"白猫 黑狗 甲虫"; + /* └───┐ */ + const wchar_t *src = L"甲虫,黑狗"; + + const size_t len = wcscspn(dest, src); + dest[len] = L'\0'; /* terminates the segment to print it out */ + + setlocale(LC_ALL, "en_US.utf8"); + wprintf(L"The length of maximum initial segment is %td.\n" + L"The segment is \"%ls\".\n", len, dest); +}</pre></div> <p>Output:</p> +<div class="text source-text"><pre data-language="c">The length of maximum initial segment is 3. +The segment is "白猫 ".</pre></div> </div> <h3 id="References"> References</h3> <ul> +<li> C11 standard (ISO/IEC 9899:2011): </li> +<ul><li> 7.29.4.5.2 The wcscspn function (p: 435-436) </li></ul> +<li> C99 standard (ISO/IEC 9899:1999): </li> +<ul><li> 7.24.4.5.2 The wcscspn function (p: 381-382) </li></ul> +</ul> <h3 id="See_also"> See also</h3> <table class="t-dsc-begin"> <tr class="t-dsc"> <td> <div><a href="wcsspn" title="c/string/wide/wcsspn"> <span class="t-lines"><span>wcsspn</span></span></a></div> +<div><span class="t-lines"><span><span class="t-mark-rev t-since-c95">(C95)</span></span></span></div> </td> <td> returns the length of the maximum initial segment that consists <br> of only the wide characters found in another wide string <br> <span class="t-mark">(function)</span> </td> +</tr> <tr class="t-dsc"> <td> <div><a href="wcspbrk" title="c/string/wide/wcspbrk"> <span class="t-lines"><span>wcspbrk</span></span></a></div> +<div><span class="t-lines"><span><span class="t-mark-rev t-since-c95">(C95)</span></span></span></div> </td> <td> finds the first location of any wide character in one wide string, in another wide string <br> <span class="t-mark">(function)</span> </td> +</tr> <tr class="t-dsc"> <td colspan="2"> <span><a href="https://en.cppreference.com/w/cpp/string/wide/wcscspn" title="cpp/string/wide/wcscspn">C++ documentation</a></span> for <code>wcscspn</code> </td> +</tr> </table> <div class="_attribution"> + <p class="_attribution-p"> + © cppreference.com<br>Licensed under the Creative Commons Attribution-ShareAlike Unported License v3.0.<br> + <a href="https://en.cppreference.com/w/c/string/wide/wcscspn" class="_attribution-link">https://en.cppreference.com/w/c/string/wide/wcscspn</a> + </p> +</div> |