diff --git a/newlib/libc/sys/jehanne/sys/termios.h b/newlib/libc/sys/jehanne/sys/termios.h
new file mode 100644
index 000000000..387201531
--- /dev/null
+++ b/newlib/libc/sys/jehanne/sys/termios.h
@@ -0,0 +1,168 @@
+/*
+ * This file is part of Jehanne.
+ *
+ * Copyright (C) 2017 Giacomo Tesio <giacomo@tesio.it>
+ *
+ * This is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, version 3 of the License.
+ *
+ * Jehanne is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Jehanne.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#ifndef _SYS_TERMIOS_H_
+#define _SYS_TERMIOS_H_
+
+/* For more info, see
+ * - http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/termios.h.html
+ * - http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap11.html
+ */
+
+/* input modes */
+#define BRKINT	0x001
+#define ICRNL	0x002
+#define IGNBRK	0x004
+#define IGNCR	0x008
+#define IGNPAR	0x010
+#define INLCR	0x020
+#define INPCK	0x040
+#define ISTRIP	0x080
+#define IXANY	0x100
+#define IXOFF	0x200
+#define IXON	0x400
+#define PARMRK	0x800
+
+/* output modes: ONLCR, TAB3 are an extension to POSIX! */
+#define	OPOST	0000001
+#define	ONLCR	0000002
+#define	OCRNL	0000004
+#define	ONOCR	0000010
+#define	ONLRET	0000020
+#define	OFDEL	0000040
+#define	OFILL	0000100
+#define	NLDLY	0000200
+#define		NL0	0000000
+#define		NL1	0000200
+#define	CRDLY	0003000
+#define		CR0	0000000
+#define		CR1	0001000
+#define		CR2	0002000
+#define		CR3	0003000
+#define	TABDLY	0014000
+#define		TAB0	0000000
+#define		TAB1	0004000
+#define		TAB2	0010000
+#define		TAB3	0014000
+#define	BSDLY	0020000
+#define		BS0	0000000
+#define		BS1	0020000
+#define	VTDLY	0040000
+#define		VT0	0000000
+#define		VT1	0040000
+#define	FFDLY	0100000
+#define		FF0	0000000
+#define		FF1	0100000
+
+/* control modes */
+#define CLOCAL	0x001
+#define CREAD	0x002
+#define CSIZE	0x01C
+#define 	CS5	0x004
+#define 	CS6	0x008
+#define 	CS7	0x00C
+#define 	CS8	0x010
+#define CSTOPB	0x020
+#define HUPCL	0x040
+#define PARENB	0x080
+#define PARODD	0x100
+
+/* local modes */
+#define ECHO	0x001
+#define ECHOE	0x002
+#define ECHOK	0x004
+#define ECHONL	0x008
+#define ICANON	0x010
+#define IEXTEN	0x020
+#define ISIG	0x040
+#define NOFLSH	0x080
+#define TOSTOP	0x100
+
+/* control characters */
+#define VEOF	0
+#define VEOL	1
+#define VERASE	2
+#define VINTR	3
+#define VKILL	4
+#define VMIN	5
+#define VQUIT	6
+#define VSTART	7
+#define VSTOP	8
+#define VSUSP	9
+#define VTIME	10
+#define NCCS	11	/* Size of the array c_cc for control characters. */
+
+/* baud rates */
+#define B0	0
+#define B50	1
+#define B75	2
+#define B110	3
+#define B134	4
+#define B150	5
+#define B200	6
+#define B300	7
+#define B600	8
+#define B1200	9
+#define B1800	10
+#define B2400	11
+#define B4800	12
+#define B9600	13
+#define B19200	14
+#define B38400	15
+
+/* optional actions for tcsetattr */
+#define TCSANOW	  1
+#define TCSADRAIN 2
+#define TCSAFLUSH 3
+
+/* queue selectors for tcflush */
+#define TCIFLUSH  1
+#define TCIOFLUSH 2
+#define TCOFLUSH  3
+
+/* actions for tcflow */
+#define TCOOFF 0
+#define TCOON  1
+#define TCIOFF 2
+#define TCION  3
+
+typedef unsigned long tcflag_t;
+typedef unsigned long speed_t;
+typedef unsigned char cc_t;
+
+struct termios {
+	tcflag_t	c_iflag;	/* input modes */
+	tcflag_t	c_oflag;	/* output modes */
+	tcflag_t	c_cflag;	/* control modes */
+	tcflag_t	c_lflag;	/* local modes */
+	cc_t		c_cc[NCCS];	/* control characters */
+};
+
+int tcgetattr(int fd, struct termios *termios_p);
+int tcsetattr(int fd, int mode, const struct termios *termios_p);
+int tcsendbreak(int fd, int duration);
+int tcflush(int fd, int queue_selector);
+int tcdrain(int fd);
+int tcflow(int fildes, int action);
+pid_t tcgetsid(int fd);
+
+speed_t cfgetispeed(const struct termios *);
+speed_t cfgetospeed(const struct termios *);
+int     cfsetispeed(struct termios *, speed_t);
+int     cfsetospeed(struct termios *, speed_t);
+
+#endif