osf1_sys_unmount  355 compat/osf1/osf1_syscallargs.h int	osf1_sys_unmount(struct proc *, void *, register_t *);
osf1_sys_unmount   67 compat/osf1/osf1_sysent.c 	    osf1_sys_unmount },			/* 22 = unmount */