By the end of this course, learners will be able to implement while, do-while, and for loops, analyze nested and infinite loops, define reusable functions, work with different argument and return-value patterns, and apply recursion to solve programming problems.

This course develops practical C programming skills by focusing on repetitive processing and modular program design. Learners explore loop-based case studies, calculate values through iteration, and compare different looping structures to select the most suitable approach for a task. The course then introduces user-defined functions, function declarations, definitions, parameters, arguments, return values, and execution flow. Learners examine the four common function categories and apply them through a calculator case study. They also explore main-function execution, calling and called functions, and recursive function concepts. Completing this course helps learners write programs that are more organized, reusable, and easier to maintain. Its unique strength is the direct progression from loop-based problem solving to function-based program design. Practical examples connect programming theory with real C applications, making the course suitable for beginners, students, and professionals strengthening their foundational programming skills.