• pw_destroy_t : src/pipewire/utils.h
• pw_global_bind_func_t : global.h
• spa_handle_factory_enum_func_t : plugin.h
• pw_impl_module_init_func_t : impl-module.h
• spa_invoke_func_t : spa/include/spa/support/loop.h
• spa_source_event_func_t : spa/include/spa/support/loop.h
• spa_source_func_t : spa/include/spa/support/loop.h
• spa_source_idle_func_t : spa/include/spa/support/loop.h
• spa_source_io_func_t : spa/include/spa/support/loop.h
• spa_source_signal_func_t : spa/include/spa/support/loop.h
• spa_source_timer_func_t : spa/include/spa/support/loop.h
• pw_work_func_t : work-queue.h