usr/include/sgtty.h

/*
 * Structure for stty and gtty system calls.
 */

#ifndef _IOCTL_
#include <sys/ioctl.h>
#endif

#ifndef _SGTTYB_
#define _SGTTYB_
struct sgttyb {
        char    sg_ispeed;              /* input speed */
        char    sg_ospeed;              /* output speed */
        char    sg_erase;               /* erase character */
        char    sg_kill;                /* kill character */
        short   sg_flags;               /* mode flags */
};
#endif