Function tcod_sys::TCOD_console_set_char_background

pub unsafe extern fn TCOD_console_set_char_background(con: TCOD_console_t,
                                                      x: c_int,
                                                      y: c_int,
                                                      col: TCOD_color_t,
                                                      flag: TCOD_bkgnd_flag_t)