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Next: <a href="strcasecmp.html#strcasecmp" accesskey="n" rel="next">strcasecmp</a>, Previous: <a href="stpcpy.html#stpcpy" accesskey="p" rel="prev">stpcpy</a>, Up: <a href="Strings.html#Strings" accesskey="u" rel="up">Strings</a> [<a href="Document-Index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Document-Index.html#Document-Index" title="Index" rel="index">Index</a>]</p>
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<a name="stpncpy_002d_002d_002dcounted-copy-string-returning-a-pointer-to-its-end"></a>
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<h3 class="section">5.17 <code>stpncpy</code>—counted copy string returning a pointer to its end</h3>
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<a name="index-stpncpy"></a>
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<p><strong>Synopsis</strong>
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</p><div class="example">
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<pre class="example">#include <string.h>
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char *stpncpy(char *restrict <var>dst</var>, const char *restrict <var>src</var>,
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size_t <var>length</var>);
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</pre></div>
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<p><strong>Description</strong><br>
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<code>stpncpy</code> copies not more than <var>length</var> characters from the
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the string pointed to by <var>src</var> (including the terminating
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null character) to the array pointed to by <var>dst</var>. If the
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string pointed to by <var>src</var> is shorter than <var>length</var>
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characters, null characters are appended to the destination
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array until a total of <var>length</var> characters have been
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written.
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</p>
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<br>
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<p><strong>Returns</strong><br>
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This function returns a pointer to the end of the destination string,
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thus pointing to the trailing ’\0’, or, if the destination string is
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not null-terminated, pointing to dst + n.
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</p>
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<br>
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<p><strong>Portability</strong><br>
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<code>stpncpy</code> is a GNU extension, candidate for inclusion into POSIX/SUSv4.
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</p>
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<p><code>stpncpy</code> requires no supporting OS subroutines.
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