Comment::access in core/modules/comment/comment.entity.inc
Overrides Entity::access().
comment_access in core/modules/comment/comment.module
Determines whether the current user has access to a particular comment.
comment_form_submit in core/modules/comment/comment.module
Form submission handler for comment_form().
comment_links in core/modules/comment/comment.module
Adds reply, edit, delete, etc. links, depending on user permissions.
comment_node_page_additions in core/modules/comment/comment.module
Builds the comment-related elements for node detail pages.
comment_node_view in core/modules/comment/comment.module
Implements hook_node_view().