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Modifying a variable through a pointer of an incompatible type can lead to unpredictable results. This is often caused by a violation of aliasing rules, which are part of the ISO C standard.

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In Section 6.53.2.21, C99 \[[ISO/IEC 9899:1999|https://www.securecoding.cert.org/confluence/display/seccode/AA.+C+References#AA.CReferences-ISO%2FIEC98991999]\]  states that
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