Learn C language Part 21 Introduction to Function, Difference b/w void ...

#include <stdio.h>

#include <conio.h>



int sum(int a,int b);



main()

{



int z,y,x;



printf("Enter the number: ");

scanf("%d",&x);

printf("Enter the 2nd number: ");

scanf("%d",&y);



z=sum(x,y);





printf("%d",z);





}

//main method end..............



int sum(int a,int b)

{

return a+b;

}

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#include <stdio.h>

#include <conio.h>

void sum(int a,int b);

main()

{

int y,x;

printf("Enter the number: ");

scanf("%d",&x);

printf("Enter the 2nd number: ");

scanf("%d",&y);

sum(x,y);

//printf("%d",z);

}

//main method end..............

void sum(int a,int b)

{

printf("%d",a+b);

}