pagelist[p].dirty=1; } } else {

if (pagelist[P[po]].dirty) {

//将更新后的内容写回外存 pagelist[P[po]].dirty=0; }

pagelist[P[po]].flag=0; printf(\printf(\

pagelist[p].block=pagelist[P[po]].block; pagelist[p].flag=1; P[po]=p; po=(po+1)%M; } }

}while (!stop);

printf(\数组P 的值为：\\n\for (i=0;i

printf(\} }

void select() { long se; char s[128]; do {

printf(\请选择题号(1/2):\if (scanf(\{

scanf(\if (strcmp(s,\

{ return; } } else { if (se==1) {

init_ex1(); work_ex1(); } if (se==2) {

init_ex2(); work_ex2(); } }

}while (1); } int main() { select(); return 0; }