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().