Why do some versions of toupper act strangely if given an upper-case letter?


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More C Interview Questions

What kind of structure is a house?

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we all know about the function overloading concept used in C++ and we all learnt abt that.... but that concept is already came in C in a very smaller propotion ... my question is IN WHICH CONCEPT THERE IS A USE OF FUNCTION OVERLOADING IS USED in C language?????????????

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Where does the name "C" come from, anyway?

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How do we declare variables in c?

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The file stdio.h, what does it contain?

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What is the right type to use for boolean values in c?

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3. Program to print all possible substrings. ex: String S St Str Stri Strin String t tr tri trin tring r

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write a program that will read the temperature in Celsius and convert that into Fahrenheit.

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Explain how does flowchart help in writing a program?

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A stack can be implemented only using array?if not what is used?

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what is the main use of c where it can use the c

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Give a one-line C expression to test whether a number is a power of 2. [No loops allowed - it's a simple test.]

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