Function TCOD_console_print_frame 

pub unsafe extern "C" fn TCOD_console_print_frame(
    con: TCOD_console_t,
    x: c_int,
    y: c_int,
    w: c_int,
    h: c_int,
    empty: bool_,
    flag: TCOD_bkgnd_flag_t,
    fmt: *const c_char,
    ...
)