Function dvb_fe_snprintf_stat 

pub unsafe extern "C" fn dvb_fe_snprintf_stat(
    parms: *mut dvb_v5_fe_parms,
    cmd: u32,
    display_name: *mut c_char,
    layer: c_int,
    buf: *mut *mut c_char,
    len: *mut c_int,
    show_layer_name: *mut c_int,
) -> c_int