_POSIX_VDISABLE    68 include/sys/termios.h #define CCEQ(val, c)	(c == val ? val != _POSIX_VDISABLE : 0)
_POSIX_VDISABLE   330 include/sys/termios.h 	_POSIX_VDISABLE, CINTR,	CQUIT,	CSUSP,	CDSUSP,	CSTART,	CSTOP,	CLNEXT, \
_POSIX_VDISABLE    54 usr/lib/libc/termios/tcflow.c 		if (c != _POSIX_VDISABLE && write(fd, &c, sizeof(c)) == -1)