In this article, we will learn C by going through the below program and understanding each line of C code in detail. 1) /* 2) Program: 3) Addition of two numbers 4) */ 5) //Here it starts 6) #include<stdio.h> 7) #include<stdlib.h> 8) void main() 9) { 10) int a, b, c; 11) /*Assign the values to the variable a and b */ 12) a = 5; 13) b = 4; 14) /*Perform addition of a and b */ 15) c = a + b; 16) printf(“\nAddition of a and b is %d”, c); 17) } Let us learn C by...