const int STYPE_PRINTQ = 1;
const int STYPE_DEVICE = 2; /* Serial device */
const int STYPE_IPC = 3; /* Interprocess communication (IPC) */
const int STYPE_PRINTQ = 1;
const int STYPE_DEVICE = 2; /* Serial device */
const int STYPE_IPC = 3; /* Interprocess communication (IPC) */