Function to return WPUF edit post URL

solution.php

<?php
function wpuf_post_edit_link() {
	global $post;

	$edit_page  = (int) wpuf_get_option( 'edit_page_id', 'wpuf_frontend_posting' );
	$post_id    = $post->ID;
	$url        = add_query_arg( array('pid' => $post->ID), get_permalink( $edit_page ) );

	return wp_nonce_url( $url, 'wpuf_edit' );
}