ngx::ffi

Function ENGINE_set_load_privkey_function

Source 
pub unsafe extern "C" fn ENGINE_set_load_privkey_function(
    e: *mut engine_st,
    loadpriv_f: Option<unsafe extern "C" fn(_: *mut engine_st, _: *const i8, _: *mut ui_method_st, _: *mut c_void) -> *mut evp_pkey_st>,
) -> i32