taglinefilesource code
TCSETSF2337drivers/char/scc.ccase TCSETSF:    /* should flush first, but... */
TCSETSF416drivers/char/tty_ioctl.ccase TCSETSF:
TCSETSF291include/asm-mips/ioctls.h#define  TCSAFLUSH  TCSETSF  /* Flush pending input before changing.  */