HOW TO WRITE A SIMPLE C PROGRAM c programming language - Part 1 You learned the history of C and some of its basics. In this section I hope to explain to you how to write a simple c program. Like other computer languages, C has several unique symbols. Without them, a c program cannot run correctly.Now let's learn about functions in c. The content is presented more simply and clearly so you can read more easily. Functions of c programming. Here, it is difficult to present all the functions of C language to you. Because there are many functions in C language. However, some of them and their brief explanation are given below. -printf(): used to print output to the console -scanf(): used to read input from the console -strlen(): used to find the length of a string -strcpy(): used to copy one string to another -strcmp(): used to compare two strings -malloc(): used to allocate memory dynamica...