Recommend c book?

Often referred to as the GoF, or Gang-Of-Four (because of the four authors who wrote it), Design Patterns: Elements of Reusable Object-Oriented Software (ISBN 0-201-63361-2) is a software engineering book describing recurring solutions to common problems in software design. The book's authors are Erich Gamma, Richard Helm, Ralph Johnson and John Vlissides, known as the "Gang of Four" or simply "GoF". The book is divided into two parts, with the first two chapters exploring the capabilities and pitfalls of object-oriented programming, and the remaining chapters describing a series of classic software design patterns. The book includes examples in C++ and Smalltalk.