comment_form_add_preview in modules/comment/comment.module
Form builder; Generate and validate a comment preview form.
install_configure_form_submit in ./install.php
Form API submit for the site configuration form.
profile_browse in modules/profile/profile.pages.inc
Menu callback; display a list of user information.
system_send_email_action in modules/system/system.module
Implementation of a configurable Drupal action. Sends an email.
user_authenticate in modules/user/user.module
Try to log in the user locally.
user_category_load in modules/user/user.module
Return a user object after checking if any profile category in the path exists.
user_delete in modules/user/user.module
Delete a user.
user_external_load in modules/user/user.module
user_external_login_register in modules/user/user.module
Helper function for authentication modules. Either login in or registers the current user, based on username. Either way, the global $user object is populated based on $name.
user_load_self in modules/user/user.module
user_pass_validate in modules/user/user.pages.inc
user_save in modules/user/user.module
Save changes to a user account or add a new user.
user_uid_optional_load in modules/user/user.module
Load either a specified or the current user account.
user_user_operations_block in modules/user/user.module
Callback function for admin mass blocking users.
user_user_operations_unblock in modules/user/user.module
Callback function for admin mass unblocking users.
_comment_form_submit in modules/comment/comment.module
Prepare a comment for submission.
_user_edit_submit in modules/user/user.module