Assuming you have no computer program experience but you can think within a “rigidly structure, logical manner required by C”, you shouldn’t have too many problems. It will still likely be a challenge but not so difficult that it’s overwhelming or discouraging. Try an online course or one offered by a local community college.
There are also plenty of self-help books available. Here are five tips to learn any programming language faster: Get the basics right before moving on, look at and try to understand example code, type sample code into a compiler and then try changing it, write your own code, learn to use a debugger, and search for other sources such as books, message boards, ask an expert site, etc.