ioerror
void ioerror(int, int, const char *);
ioerror(stack[i].pos, strlen(stack[i].str), s);
int32_t ioerror;
if (!io_read_int(sess, fdin, &ioerror)) {
} else if (ioerror != 0) {
if (!io_read_int(sess, fdin, &ioerror)) {
if (ioerror != -1) {
goto ioerror;
goto ioerror;
goto ioerror;
goto ioerror;
goto ioerror;
goto ioerror;
goto ioerror;
goto ioerror;
goto ioerror;
goto ioerror;
ioerror: