/* File: ref_par.c This program demonstrates parameter passing by reference. */ #include void f (int a, int * b) ; int main() { int m, n ; m = 3 ; n = 5 ; f(m, &n) ; printf("%d, %d\n", m, n) ; return 0 ; } void f (int a, int * b) { a = 7 ; *b = a ; b = &a ; *b = 4 ; printf("%d, %d\n", a, *b) ; }