R uint8_t</span></div><div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;isqrt32 (uint32_t n) <span class="comment">// OR isqrt16 ( uint16_t n ) OR  isqrt8 ( uint8_t n ) - respectively [ OR overloaded as isqrt (uint16_t?? n) in C++ ]</span></div><div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;{</div><div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;    <span class="keyword">register</span> uint32_t <span class="comment">// 