HelenOS sources

sys_iospace_disable   79 kernel/generic/include/ddi/ddi.h extern sys_errno_t sys_iospace_disable(uspace_ptr_ddi_ioarg_t);
sys_iospace_disable  119 kernel/generic/src/syscall/syscall.c 	[SYS_IOSPACE_DISABLE] = (syshandler_t) sys_iospace_disable,