Example code of badly prefixed functions.

functions.php

<?php
/*
 * Example code of badly prefixed functions.
 * 
 */

add_action( 'genesis_after_header', 'sp_third_navigation' );
function sp_third_navigation() {

  // Code

}

add_action( 'genesis_header', 'child_dynamic_header' );
function child_dynamic_header() {

  // Code

}

add_action( 'genesis_footer', 'custom_footer' );
function custom_footer() {

  // Code

}