Explaine if statement with Example

Explaine if statement with Example

The if statement has the same function as other languages. It has three basic forms:
  if  (expression) statement;

...or:

  if  (expression) statement1
  else      statement2

...or:

  if  (expression)  statement1
  else if (expression) statement2
  else statement3


For example:-
      int x,y,w;
     main()
    {
          if (x>0)
        {
            z=w;
            ........
        }
        else
        {
            z=y;
            ........
        }

     }