HelenOS sources

CL_EOK             99 uspace/app/bdsh/cmds/builtin_cmds.c 		return CL_EOK;
CL_EOK            126 uspace/app/bdsh/cmds/mod_cmds.c 		return CL_EOK;
CL_EOK             40 uspace/app/bdsh/errors.c volatile int cli_errno = CL_EOK;
HelenOS homepage, sources at GitHub