-#define PTYIMODE_CANON 0x001
-#define PTYIMODE_ECHO 0x002
-#define PTYIMODE_RAW 0x004
+#define PTYSFLAG_ILOCAL 0x001 //!< Input modes are handled in the server process
+#define PTYSFLAG_SMODE 0x002 //!< Inform server of mode changes by the user
+
+#define PTYIMODE_CANON 0x001 //!< Line-buffered input
+#define PTYIMODE_ECHO 0x002 //!< Echo input characters
+#define PTYIMODE_RAW 0x004 //!< Disable all input processing
+#define PTYIMODE_NLCR 0x008 //!< Translate '\n' to '\r' (for old apps)