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| <h3 class="section">6.17 <code>wcsncat</code>—concatenate part of two wide-character strings</h3> |
| |
| <p><strong>Synopsis</strong> |
| <pre class="example"> #include <wchar.h> |
| wchar_t *wcsncat(wchar_t *<var>s1</var>, const wchar_t *<var>s2</var>, size_t <var>n</var>); |
| |
| </pre> |
| <p><strong>Description</strong><br> |
| The <code>wcsncat</code> function appends not more than <var>n</var> wide-character |
| codes (a null wide-character code and wide-character codes that follow |
| it are not appended) from the array pointed to by <var>s2</var> to the end of |
| the wide-character string pointed to by <var>s1</var>. The initial |
| wide-character code of <var>s2</var> overwrites the null wide-character code |
| at the end of <var>s1</var>. |
| A terminating null wide-character code is always appended to the result. |
| If copying takes place between objects that overlap, the behaviour is |
| undefined. |
| |
| <p><br> |
| <strong>Returns</strong><br> |
| The <code>wcsncat</code> function returns <var>s1</var>; no return value is reserved to |
| indicate an error. |
| |
| <p><br> |
| <strong>Portability</strong><br> |
| <code>wcsncat</code> is ISO/IEC 9899/AMD1:1995 (ISO C). |
| |
| <p>No supporting OS subroutines are required. |
| |
| <p><br> |
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