040000 tree 20a275c5b095471309169e87d1d4b3045aaf5955	callout
040000 tree f5131cbdb3f5bd988337dd347b74b73e73476b7e	os_callout_func_init
040000 tree 0d2f73a0cf126d6d22adcf7c54464e6285b6af37	os_callout_init
040000 tree 12b6b9741acda2724dc98b06f92cde0d35b3e6a2	os_callout_queued
040000 tree 293a2fdc7658dd1b76891bf75d021847753e6ee6	os_callout_reset
040000 tree 5350703b6c61d704236823e8490d7b61d3aa21d6	os_callout_stop