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C Language > Learn C Language > Can we call an undeclared function in C++?
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Can we call an undeclared function in C++?

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In C++, you cannot call undeclared function in C++, compiler will show you error like "undeclared identifier".Compiler has not seen a declaration for it.Hence,the compiler has no idea what you are referring to because it hasn't seen it before.
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yes in c its not compulsory to declqare function
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