constant SCHEMA_UNINSTALLED

backdrop_get_installed_schema_version in includes/install.inc

Returns the currently installed schema version for a module.

backdrop_uninstall_modules in includes/install.inc

Uninstalls a given list of disabled modules.

module_enable in includes/module.inc

Enables or installs a given list of modules.

ModuleUnitTest::testDependencyResolution in modules/simpletest/tests/module.test

Test dependency resolution.

system_modules_submit in modules/system/system.admin.inc

Submit callback; handles modules form submission.

... See full list