UMOUNT
args[na++] = UMOUNT;
printf ("Cannot execute %s\n", UMOUNT);
unknown_error ("Cannot spawn " UMOUNT);
printf ("%s error %d, stdout='%s', stderr='%s'\n", UMOUNT, exit_status, sout, serr);
arg[0] = UMOUNT;
n = pkgexecl(NULL, NULL, NULL, NULL, UMOUNT, devp->bdevice,