start_capture
start_capture(bktr, METEOR_SINGLE);
start_capture(bktr, METEOR_SINGLE);
start_capture(bktr, METEOR_CONTIN);
start_capture(bktr, METEOR_CONTIN);
static void start_capture( bktr_ptr_t bktr, unsigned type );
s = start_capture(ms, s, p + 2, CAP_POSITION);
s = start_capture(ms, s, p + 1, CAP_UNFINISHED);