Note: this list is generated by pattern matching, so it may include some functions that are not actually implementations of this hook.

aggregator_block in modules/aggregator/aggregator.module
Implementation of hook_block().
block_block in modules/block/block.module
Implementation of hook_block().
blog_block in modules/blog/blog.module
Implementation of hook_block().
book_block in modules/book/book.module
Implementation of hook_block().
comment_block in modules/comment/comment.module
Implementation of hook_block().
forum_block in modules/forum/forum.module
Implementation of hook_block().
locale_block in modules/locale/locale.module
Implementation of hook_block(). Displays a language switcher. Translation links may be provided by other modules.
menu_block in modules/menu/menu.module
Implementation of hook_block().
node_block in modules/node/node.module
Implementation of hook_block().
poll_block in modules/poll/poll.module
Implementation of hook_block().
profile_block in modules/profile/profile.module
Implementation of hook_block().
search_block in modules/search/search.module
Implementation of hook_block().
statistics_block in modules/statistics/statistics.module
Implementation of hook_block().
system_admin_menu_block in modules/system/system.module
Provide a single block on the administration overview page.
system_block in modules/system/system.module
Implementation of hook_block().
template_preprocess_block in includes/theme.inc
Process variables for block.tpl.php
template_preprocess_profile_block in modules/profile/profile.module
Process variables for profile-block.tpl.php.
theme_admin_block in modules/system/system.admin.inc
This function formats an administrative block for display.
theme_block in developer/theme.php
Implemented using the block.tpl.php template.
theme_book_all_books_block in developer/theme.php
Implemented using the book-all-books-block.tpl.php template.
theme_comment_block in modules/comment/comment.module
Returns a formatted list of recent comments to be displayed in the comment block.
theme_poll_bar_block in developer/theme.php
Implemented using the poll-bar-block.tpl.php template.
theme_poll_results_block in developer/theme.php
Implemented using the poll-results-block.tpl.php template.
theme_profile_block in developer/theme.php
Implemented using the profile-block.tpl.php template.
user_block in modules/user/user.module
Implementation of hook_block().
user_login_block in modules/user/user.module
user_user_operations_block in modules/user/user.module
Callback function for admin mass blocking users.