27.#includevoid f(int x, int y, int*z){ *z-=x+y; }void main( ){ int p=7,q=8,r=6;f(p,q,&r);printf(″p=%d,q=%d,r=%d\n″,p,q,r);}
p=7,q=8,r=9
27.#includevoid f(int x, int y, int*z){ *z-=x+y; }void main( ){ int p=7,q=8,r=6;f(p,q,&r);printf(″p=%d,q=%d,r=%d\n″,p,q,r);}
p=7,q=8,r=9