What act as a means of communication between the calling and called function?

What would be the output of the function ?

# include < iostream.n>

first (int,int);

second (int);

void main ( ) {

int x=10 , y=5, z;

z=first (x,y);

cout<<"\nz="<

first (int x,int y) {

return (x+second (y)); }

second (int y) {

return (++y); }

What is auto ?

What would be the output of the following program ?
#include < iostream.n>
int val = 10 ;
divide (int);
void main ( )
{ int val =5;
val=divide (val=val/5);
cout < }
divide (int x)
{
return.(x/val);
}

All the function prototypes are terminated with ___________

The declaration of a function in the calling program is known as

A function is :

Function definition void check (int i,char*j) is

In which header file the function clrscr ( ) in included?

Pick the correct storage class for " a variable global in one file and not available in another file "