call_block_remove
(void)call_block_remove(pix, param, true);
pix = call_block_remove(pix, param, false);
(void)call_block_remove(pix, param, true);
(void)call_block_remove(pix, param,
pix = call_block_remove(pix, param, false);
(void)call_block_remove(pix, param, true);