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Formally, in C, variable declarations occur first in the block, followed by process statements.

In C++, this was relaxed and declarations are permitted within the process statements. This allows somewhat easier code readability, since the declaration is near the use, but the style is yours to choose.

Most modern C compilers are also C++ compilers, so the C++ rules often work in C code, though you can set flags to enforce a certain standard, if you wish.

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Q: How do you position your variable declarations and process statements?
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