Chapter 1: A Tutorial Introduction

Exercises from “The C Programming Language” (2nd Edition) by Brian W. Kernighan and Dennis M. Ritchie.

Exercises

#	Description	Source
1-01	Hello, World	1-01.c
1-02	Experiment with escape sequences (`\c`)	1-02.c
1-03	Print heading above temperature conversion table	1-03.c
1-04	Print Celsius to Fahrenheit table	1-04.c
1-05	Print temperature table in reverse order (300 to 0)	1-05.c
1-06	Verify that `getchar() != EOF` is 0 or 1	1-06.c
1-07	Print the value of EOF	1-07.c
1-08	Count blanks, tabs, and newlines	1-08.c
1-09	Replace multiple blanks with single blank	1-09.c
1-10	Replace tabs with `\t`, backspaces with `\b`, backslashes with `\\`	1-10.c
1-11	Test the word count program	1-11.c
1-12	Print input one word per line	1-12.c
1-13	Print histogram of word lengths (vertical)	1-13.c
1-14	Print histogram of character frequencies	1-14.c
1-15	Rewrite temperature conversion using a function	1-15.c
1-16	Print length of arbitrarily long input lines	1-16.c
1-17	Print all lines longer than 80 characters	1-17.c
1-18	Remove trailing blanks/tabs, delete blank lines	1-18.c
1-19	Reverse input lines	1-19.c
1-20	Detab: replace tabs with spaces	1-20.c
1-21	Entab: replace spaces with tabs	1-21.c
1-22	Fold long lines at word boundaries	1-22.c
1-23	Remove C comments from an input	1-23.c
1-23	Cleaned version of 1-23.c	1-23_clean.c
1-24	Check C program for syntax errors (unbalanced brackets, quotes, comments)	1-24.c

#	Description	Source
1.6	Section 1.6 example: count digits, whitespace, others	1.6-arrays.c
1-99	RLE compression: `aaabbcccc` -> `a3b2c4`	1-99.c
1-991	Expand escape sequences: `\n` -> newline, `\t` -> tab	1-991.c

gcc -Wall -Wextra -o exercise exercise.c
./exercise

Many exercises read from standard input. You can: