Part 11 - Word-length histogram I

Topics covered

Array applications
Counting word lengths
Modifying a program to perform a new task

Part 10 - Arrays

Topics Covered:

Arrays
Counting digits
Comparing characters numerically

Part 9 - Counting words in the input

Topics Covered:

Counting words
The bool type and stdbool.h
More about the PATH variable

Part 8 - Character processing

Topics Covered:

Character processing using getchar() and putchar()
Counting blanks, tabs and newlines
Compressing multiple blanks into one