Chapter 9: Strings Problem Solving & Program Design in C Sixth Edition By Jeri R. Hanly & Elliot B. Koffman 1-1.
A string is an array of characters. Strings must have a 0 or null character after the last character to show where the string ends. The null character.
Chapter 13-3 Applied Arrays: Lists and Strings
Cstrings (character arrays)