C_UNBLOCK
if (ddflags & (C_BLOCK|C_LCASE|C_SWAB|C_UCASE|C_UNBLOCK))
if (ddflags & (C_BLOCK|C_UNBLOCK)) {
ddflags |= C_UNBLOCK;
{ "block", C_BLOCK, C_UNBLOCK, NULL },
{ "unblock", C_UNBLOCK, C_BLOCK, NULL },
if (!(ddflags & (C_BLOCK|C_UNBLOCK))) {
if (ddflags & (C_BLOCK|C_UNBLOCK))
if (ddflags & (C_BLOCK|C_UNBLOCK))