BRKINT            289 include/sys/termios.h #define	TTYDEF_IFLAG	(tcflag_t)(BRKINT | ICRNL | IXON | IXANY)
BRKINT             44 usr/lib/libc/termios/cfmakeraw.c 	t->c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP|INLCR|IGNCR|ICRNL|IXON);