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e04afb7177
The <termio.h> interface is absolutely ancient: it was obsoleted by <termios.h> already in the first version of POSIX (1988) and thus predates the very first version of Linux. Unfortunately, some constant macros are used both by <termio.h> and <termios.h>; particularly problematic is the baud rate constants since the termio interface *requires* that the baud rate is set via an enumeration as part of c_cflag. In preparation of revamping the termios interface to support the arbitrary baud rate capability that the Linux kernel has supported since 2008, remove <termio.h> in the hope that no one still uses this archaic interface. Note that there is no actual code in glibc to support termio: it is purely an unabstracted ioctl() interface. Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com> Reviewed-by: Florian Weimer <fweimer@redhat.com>