list_meta()
Function: Outputs a post’s public meta data in the Custom Fields meta box.
Source: wp-admin/includes/template.php:583
_list_meta_row()
Function: Outputs a single row of public meta data in the Custom Fields meta box.
Source: wp-admin/includes/template.php:629
meta_form()
Function: Prints the form in the Custom Fields meta box.
Source: wp-admin/includes/template.php:690