What's the difference between these ways of indexing a pointer to array of structs in c?

Is there any difference in the use of these 3 statements?

void addCliente(struct cliente *dadosCliente){
    dadosCliente[k].nome="oi";
    (*(dadosCliente+k)).nome="oi";
    (dadosCliente+k)->nome="oi";
}
void main(){
    struct cliente clientes[1000];
    addCliente(clientes);
}