Question

Explain the use of function toupper() with and example code?

Answer 1

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Toupper() function is use to convert the value to uppercase when it uses with characters.

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Answer 2

The toupper() function is used to convert lowercase alphabet to uppercase. i.e. If the character passed is a lowercase alphabet then the toupper() function converts a lowercase alphabet to an uppercase alphabet. It is defined in the ctype.h header file.