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Rui Ueyama f66a682401 Squashed 'mimalloc/' content from commit b19da8e 
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<p>Allocating aligned memory blocks.
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<tr class="memitem:ga5f8c2353766db522565e642fafd8a3f8"><td class="memItemLeft" align="right" valign="top">void *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__aligned.html#ga5f8c2353766db522565e642fafd8a3f8">mi_zalloc_aligned_at</a> (size_t size, size_t alignment, size_t offset)</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<p>Allocating aligned memory blocks. </p>
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<a id="ga53dddb4724042a90315b94bc268fb4c9"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ga53dddb4724042a90315b94bc268fb4c9">&#9670;&nbsp;</a></span>mi_calloc_aligned()</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#ga08647c4593f3b2eef24a919a73eba3a3">&#9670;&nbsp;</a></span>mi_calloc_aligned_at()</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#ga68930196751fa2cca9e1fd0d71bade56">&#9670;&nbsp;</a></span>mi_malloc_aligned()</h2>
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<p>Allocate <em>size</em> bytes aligned by <em>alignment</em>. </p>
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<p>Returns a unique pointer if called with <em>size</em> 0. </p><dl class="section see"><dt>See also</dt><dd><a href="https://docs.microsoft.com/en-us/cpp/c-runtime-library/reference/aligned-malloc?view=vs-2017">_aligned_malloc</a> (on Windows) </dd>
<dd>
<a href="http://man.openbsd.org/reallocarray">aligned_alloc</a> (on BSD, with switched arguments!) </dd>
<dd>
<a href="https://linux.die.net/man/3/posix_memalign">posix_memalign</a> (on Posix, with switched arguments!) </dd>
<dd>
<a href="https://linux.die.net/man/3/posix_memalign">memalign</a> (on Linux, with switched arguments!) </dd></dl>
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<a id="ga5850da130c936bd77db039dcfbc8295d"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ga5850da130c936bd77db039dcfbc8295d">&#9670;&nbsp;</a></span>mi_malloc_aligned_at()</h2>
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<p>Allocate <em>size</em> bytes aligned by <em>alignment</em> at a specified <em>offset</em>. </p>
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<table class="params">
<tr><td class="paramname">size</td><td>number of bytes to allocate. </td></tr>
<tr><td class="paramname">alignment</td><td>the minimal alignment of the allocated memory at <em>offset</em>. </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>pointer to the allocated memory or <em>NULL</em> if out of memory. The returned pointer is aligned by <em>alignment</em> at <em>offset</em>, i.e. <code>((uintptr_t)p + offset) % alignment == 0</code>.</dd></dl>
<p>Returns a unique pointer if called with <em>size</em> 0. </p><dl class="section see"><dt>See also</dt><dd><a href="https://docs.microsoft.com/en-us/cpp/c-runtime-library/reference/aligned-offset-malloc?view=vs-2017">_aligned_offset_malloc</a> (on Windows) </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#ga4028d1cf4aa4c87c880747044a8322ae">&#9670;&nbsp;</a></span>mi_realloc_aligned()</h2>
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<a id="gaf66a9ae6c6f08bd6be6fb6ea771faffb"></a>
<h2 class="memtitle"><span class="permalink"><a href="#gaf66a9ae6c6f08bd6be6fb6ea771faffb">&#9670;&nbsp;</a></span>mi_realloc_aligned_at()</h2>
<div class="memitem">
<div class="memproto">
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<td class="paramtype">size_t&#160;</td>
<td class="paramname"><em>alignment</em>, </td>
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<td class="paramtype">size_t&#160;</td>
<td class="paramname"><em>offset</em>&#160;</td>
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<a id="ga0cadbcf5b89a7b6fb171bc8df8734819"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ga0cadbcf5b89a7b6fb171bc8df8734819">&#9670;&nbsp;</a></span>mi_zalloc_aligned()</h2>
<div class="memitem">
<div class="memproto">
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<td class="memname">void* mi_zalloc_aligned </td>
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<td class="paramname"><em>size</em>, </td>
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<td class="paramkey"></td>
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<h2 class="memtitle"><span class="permalink"><a href="#ga5f8c2353766db522565e642fafd8a3f8">&#9670;&nbsp;</a></span>mi_zalloc_aligned_at()</h2>
<div class="memitem">
<div class="memproto">
<table class="memname">
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<td class="memname">void* mi_zalloc_aligned_at </td>
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<td class="paramkey"></td>
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<td class="paramtype">size_t&#160;</td>
<td class="paramname"><em>alignment</em>, </td>
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<td class="paramtype">size_t&#160;</td>
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