Function mdb_env_get_userctx

pub unsafe extern "C" fn mdb_env_get_userctx(
    env: *mut MDB_env,
) -> *mut c_void

@brief Get the application information associated with the #MDB_env.

@param[in] env An environment handle returned by #mdb_env_create() @return The pointer set by #mdb_env_set_userctx().