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Chapter 10: Problem 2

What header file must you include in a program using the character conversion functions toupper and tolower?

Short Answer

Expert verified
Answer: The header file to include for C programs is `` and for C++ programs is ``.

Step by step solution

01

Identify the header file for character conversion functions

The character conversion functions toupper and tolower are part of the ctype.h header file in C and cctype header file in C++. So, to use these functions, we need to include the appropriate header file in our program.
02

Include the header file in the program

To include the ctype.h header file(for C programs) or cctype header file(for C++ programs) in the program, use the preprocessor directive as shown below: For C programs: ```c #include ``` For C++ programs: ```cpp #include ```

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Most popular questions from this chapter

True or False If toupper's argument is already uppercase, it is returned as is, with no changes.

The ___ function copies, at most, \(n\) number of characters from one string to another.

How do you compare string class objects?

True or False C-string handling functions accept as arguments pointers to strings (array names or pointer variables), or literal strings.

The ___ function searches for a string inside of another one.
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