Chapter 4: Functions and Program Structure

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

Exercises

#	Description	Source
4-01	`strrindex(s, t)`: rightmost occurrence of t in s	-
4-02	Extend `atof` for scientific notation	-
4-03	Add modulus and unary minus to calculator	-
4-04	Print top, duplicate, swap stack elements	-
4-05	Add math functions (sin, exp, pow)	-
4-06	Add variables (single-letter names)	-
4-07	`ungets(s)`: push string back on input	-
4-08	Modify `getch`/`ungetch` for single character	-
4-09	Handle pushed-back EOF	-
4-10	Use `getline` instead of `getchar`	-
4-11	Modify `getop` to avoid ungetch	-
4-12	Recursive `itoa`	-
4-13	Recursive `reverse(s)`	-
4-14	Macro `swap(t, x, y)`	-

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