copyback
int copyback = 0, i, olen;
copyback = 1;
if (copyback)
return (copyback);
int copyback = 0;
copyback = 1;
copyback = 1;
copyback = 1;
*state, src, dst, ©back))
*state, src, dst, ©back))
} else if (copyback) {
int copyback = 0;
copyback = 1;
copyback = 1;
if (copyback) {
int copyback = 0;
copyback = 1;
copyback = 1;
if (copyback) {
copyback(in, 3);
copyback(ou, 4);
copyback(ex, 5);