#include "c1-1.h" void fa(int a) { a++; printf("in the function fa:a = %d ",a); } void fb(int *a) { ++*a; printf("in the function fb�a = %d ",*a); } int main() { int n = 1; printf("in the main�call fa before�n = %d ",n); fa(n); printf("call fa after�call fb before�n = %d ",n); fb(&n); printf("in the main,call fb after�n = %d ",n); getchar(); return 0; }