set_sunsum
if (! set_sunsum(params, (uint16_t *)&bb, sum))
if (! set_sunsum(params, (uint16_t *)&bb, sum))
if (! set_sunsum(params, (uint16_t *)&bb, sum))
if (! set_sunsum(params, (uint16_t *)bb, sum))
int set_sunsum(ib_params *, uint16_t *, uint16_t);