C Programming language

/** Program that call a function by value **/

#include<stdio.h>
#include<conio.h>
void main()
{
	int a=23,b=45;
	void addab(int x,int y);
	clrscr();
	printf("\n Before function call a=%d,b=%d",a,b);
	addab(a,b);
	printf("\n\nAfter function calla=%d,b=%d",a,b);
	getch();
}
void addab(int x,int y)
{
	x=x+10;
	y=y+10;
	printf("\n\ninside the functiona=%d,b=%d",x,y);
}