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| <h3 class="section">6.18 <code>wcsncmp</code>—compare part of two wide-character strings</h3> |
| |
| <p><strong>Synopsis</strong> |
| <pre class="example"> #include <wchar.h> |
| int wcsncmp(const wchar_t *<var>s1</var>, const wchar_t *<var>s2</var>, size_t <var>n</var>); |
| |
| </pre> |
| <p><strong>Description</strong><br> |
| The <code>wcsncmp</code> function compares not more than <var>n</var> wide-character |
| codes (wide-character codes that follow a null wide-character code are |
| not compared) from the array pointed to by <var>s1</var> to the array pointed |
| to by <var>s2</var>. |
| |
| <p>The sign of a non-zero return value is determined by the sign of the |
| difference between the values of the first pair of wide-character codes |
| that differ in the objects being compared. |
| |
| <p><br> |
| <strong>Returns</strong><br> |
| Upon successful completion, <code>wcsncmp</code> returns an integer greater than, |
| equal to or less than 0, if the possibly null-terminated array pointed |
| to by <var>s1</var> is greater than, equal to or less than the possibly |
| null-terminated array pointed to by <var>s2</var> respectively. |
| |
| <p><br> |
| <strong>Portability</strong><br> |
| <code>wcsncmp</code> is ISO/IEC 9899/AMD1:1995 (ISO C). |
| |
| <p>No supporting OS subroutines are required. |
| |
| <p><br> |
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