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| <h3 class="section">6.14 <code>wcslcat</code>—concatenate wide-character strings to specified length</h3> |
| |
| <p><strong>Synopsis</strong> |
| <pre class="example"> #include <wchar.h> |
| size_t wcslcat(wchar_t *<var>dst</var>, const wchar_t *<var>src</var>, size_t <var>siz</var>); |
| |
| </pre> |
| <p><strong>Description</strong><br> |
| The <code>wcslcat</code> function appends wide characters from <var>src</var> to |
| end of the <var>dst</var> wide-character string so that the resultant |
| wide-character string is not more than <var>siz</var> wide characters |
| including the terminating null wide-character code. A terminating |
| null wide character is always added unless <var>siz</var> is 0. Thus, |
| the maximum number of wide characters that can be appended from |
| <var>src</var> is <var>siz</var> - 1. If copying takes place between objects |
| that overlap, the behaviour is undefined. |
| |
| <p><br> |
| <strong>Returns</strong><br> |
| Wide-character string length of initial <var>dst</var> plus the |
| wide-character string length of <var>src</var> (does not include |
| terminating null wide-characters). If the return value is |
| greater than or equal to <var>siz</var>, then truncation occurred and |
| not all wide characters from <var>src</var> were appended. |
| |
| <p><br> |
| <strong>Portability</strong><br> |
| No supporting OS subroutines are required. |
| |
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