C 结构体

static const struct blobmsg_policy pol[] = {
    [FOO_MESSAGE] = {
        .name = "message",
        .type = BLOBMSG_TYPE_STRING,
    },
    [FOO_LIST] = {
        .name = "list",
        .type = BLOBMSG_TYPE_ARRAY,
    },
    [FOO_TESTDATA] = {
        .name = "testdata",
        .type = BLOBMSG_TYPE_TABLE,
    },
};

/* 
libubox-2015-11-08/examples/blobmsg-example.c

pol[FOO_MESSAGE] = {
    .name = "message",
    .type = BLOBMSG_TYPE_STRING,
}
*/