ALVIUM_BIT_BAY_BG
alvium->is_bay_avail[ALVIUM_BIT_BAY_BG] = avail_bay->bg;
.bay_av_bit = ALVIUM_BIT_BAY_BG,
.bay_av_bit = ALVIUM_BIT_BAY_BG,
.bay_av_bit = ALVIUM_BIT_BAY_BG,
.bay_av_bit = ALVIUM_BIT_BAY_BG,
alvium->is_bay_avail[ALVIUM_BIT_BAY_BG]);