When you are working in C programming language, you might encounter some problems which require reading a file into a character array, like analyzing the frequency of each character or converting every starting word of all sentences from lower case to upper case, or vice versa. The solution is really easy but probably isn’t that simple for people who do not know much about file reading or writing. So in that article, you can learn step-by-step how to read files into character arrays in C.
Open a File in C
The easiest and most popular way to open a file in C is using the ‘fopen’ function in the format below: