This tutorial is developed for familiarizing students with basic of programming in C. The tutorial includes the introduction, 6 chapters, tasks for laboratory work, 2 appendixes and a list of recommended literature. For each laboratory task there are examples of implementation, description of the task, theoretical information, guidelines. The tutorial is aimed at students of the specialty 121 “Software Engineering”, educational program “Software Engineering of Multimedia and Information Retrieval Systems” of the Faculty of Applied Mathematics of Igor Sikorsky Kyiv Polytechnic Institute.