Macros

 Object macros

//define Variable from macro its call object macro

#include<stdio.h>
#define a 10 //no ";"
void main()
{
  int b=5;
  printf("addition=%d",a+b);
 
}

Function Macros

//define Function From Macro

#include<stdio.h>

#define malti(a,b) (a*b) //no ";"
void main()
{
  int a ,b;
  printf("a&b=");// for input
  scanf("%d%d",&a,&b);
  printf("%d",malti(a,b));
 
}