Function: Display the login name of the author of the current post.

Function: Display the first name of the author of the current post.

Function: Display the last name of the author of the current post.

Function: Display the nickname of the author of the current post.

Function: Retrieve an array of comment data about comment $comment_id.

Function: Retrieve the category name by the category ID.

Function: Print list of pages based on arguments.

Function: Get value based on option.

Function: Print the permalink of the current post in the loop.

Function: Print the permalink to the RSS feed.