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QWhat is the purpose of a function prototype in C language?

ID: #7185 Function in C Language 145 views
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#7185Q ID
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Function in C LanguageTopic
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  • A To define the implementation of a function. ✔ ✖
  • B To declare the return type of a function. ✔ ✖
  • C To declare the function name and its parameter types. ✔ ✖
  • D To declare the function name and its return type. ✔ ✖
Correct Answer: Option C

Explanation

Answer: c. To declare the function name and its parameter types.

Explanation: A function prototype is a declaration of the function name and its parameter types, but not its implementation or return type. It allows the compiler to know about the function before it is called, so that it can perform type checking and generate appropriate code.

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