Chapter 10: Problem 7
What header file must you include in a program using string class objects?
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The __________ function returns the length of a string.
Each of the following programs or program segments has errors. Find as many as you can.char \(x=' a^{\prime}, y=\cdot a^{\prime} ;\) if \((\operatorname{str} \operatorname{cmp}(x, y)=0)\) exit (0)\(;\)
Assume \(c\) is a char variable. What value does \(c\) hold after each of the following statements executes? Statement \(\quad\) Contents of \(c\) \(c=\) toupper \(\left(' a^{\prime}\right)\) \(c=\) toupper \(\left(' B^{\prime}\right)\) \(c=\) tolower \(\left(' D^{\prime}\right)\) \(c=\) toupper \(\left(' e^{\prime}\right)\)
The __________ function returns true if the character argument is uppercase.
The __________ function converts an integer to a string.
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