6 calls to system_region_list() in Drupal 5

block_admin_display in modules/block/block.module

Generate main block administration form.

phptemplate_page in themes/engines/phptemplate/phptemplate.engine

Prepare the values passed to the theme_page function to be passed into a pluggable template engine. Uses the arg() function to generate a series of page template files suggestions based on the current path. If none are found, the default page.tpl.php…

system_default_region in modules/system/system.module

Get the name of the default region for a given theme.

system_initialize_theme_blocks in modules/system/system.module

Assign an initial, default set of blocks for a theme.

theme_block_admin_display in modules/block/block.module

Theme main block administration form submission.

_phptemplate_default_variables in themes/engines/phptemplate/phptemplate.engine

Adds additional helper variables to all templates.