Variables in C A variable is a name of the memory location. It is used to store data. Its value can be changed, and it can be reused many times. It is a way to represent memory location through symbol so that it can be easily identified. Let's see the syntax to declare a variable: 1. type variable_list; The example of declaring the variable is given below: 1 int a; 2. float b; 3. char c; Here, a, b, c are variables. The int, float, char are the data types. We can also provide values while declaring the variables as given below: 1. int a=10,b=20; //declaring 2 variable of integer type 2. float f=20.8; 3. ...