Multiple choice

Which of the following header files has to be included to make use of character function in C++?

  1. iostream.h

  2. ctype.h

  3. string.h

  4. iomanip.h

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

This header file is included to perform character functions like isalnum(), isdigit(), islower() etc. in the program.