CT_TGET
if (cmd == CT_TGET)
case CT_TGET:
if (ioctl(fd, CT_TGET, ¶m) == -1)
if (ioctl(fd, CT_TGET, ¶m) == -1)
if (ioctl(fd, CT_TGET, ¶m) == -1)
case CT_TGET:
if (cmd == CT_TGET && error == 0) {
if (cmd != CT_TSET && cmd != CT_TGET)