Function safe_app::ffi::app_set_config_dir_path

#[no_mangle]
pub unsafe extern "C" fn app_set_config_dir_path(
    new_path: *const c_char, 
    user_data: *mut c_void, 
    o_cb: extern "C" fn(user_data: *mut c_void, result: *const FfiResult)
)

Sets the path from which the safe_core.config file will be read.