Fixed numerous compiler warnings#27

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Commits on Dec 4, 2025

Replaced the old-style function declarations with modern C-style declarations for better readability and maintainability.
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Fixed a function definition without a prototype is deprecated in all versions of C and is not supported in C23
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fixed a function definition without a prototype is deprecated in all versions of C and is not supported in C23
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Standardized the return type of main
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Fixed the return type
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fixed format specifies type 'int' but the argument has type 'long'
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fixed an uncommented comment
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Included a missing library
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