True or False: C allows both void and int as the return type for main.

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Prepare for the ASU CSE240 Introduction to Programming Languages Exam with our quiz. Enhance your understanding, sharpen your skills, and boost your confidence with flashcards and multiple-choice questions with explanations.

In C, the main function serves as the entry point for program execution and it is designed to return an integer value. According to the C standard, the return type of main should typically be int, indicating that the program has executed successfully or has encountered some error (when returning a non-zero value).

While it is technically permissible to define main with a return type of void in some non-standard compilers, this is not compliant with the C standard. Only defining main as returning int is considered standard practice and is widely supported across different compilers.

Therefore, the correct response recognizes only int as an official return type for main under the standard C definition. Thus, the claim that both void and int are allowed is misleading since adhering to the standard ensures consistent and predictable behavior across different environments.

In summary, the accurate perspective is that main should return int according to the C standard specification, while void can lead to undefined behavior or be unsupported in practice.

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