Write a program to test formal arguments

/* ***********************************************
    Write a program to test formal arguments

 date:06-06-2019
 created by:ANIL DURGAM

*****************************************************/

#include <stdio.h>
#include <stdlib.h>

main()
{
    int m=6,n=3;
     printf("%d\t",multiply(m,n));
     printf("%d\t",multiply(15,4));
     printf("%d\t",multiply(m+n,m-n));
     printf("%d\n",multiply(6,sum(m,n))) ;
}

int multiply(int x,int y)
{
     int p;
      p=x*y;
       return p;
}

int sum (int x , int y)
{
    return x+y;
}



output:::

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