
Working with Strings & Standard Functions 281
EXERC ISES
A] A nsw er the following questions.
1) What are strings? How are they declared?
2) What is the NULL character? Why is it important?
3) Is it possible to initialize NULL character in the string?
4) Why is it necessary to count NULL character while declaring string?
5) What is the difference between the functions strcmp () and stricmp () ?
6) What is the use of strrev () and strlen () functions?
7) What is the use of strcpy () and strdup () functions?
8) What is the difference between strcpy () and stmcpy () functions?
9) What is the difference between NU L L,1 \0' and 0?
B) A