Function lv_table_set_column_width 

pub unsafe extern "C" fn lv_table_set_column_width(
    obj: *mut lv_obj_t,
    col_id: u32,
    w: i32,
)

Set the width of a column @param obj table pointer to a Table object @param col_id id of the column [0 .. LV_TABLE_COL_MAX -1] @param w width of the column