glibc (2.38)

(root)/
include/
termio.h
       1  /* Compatible <termio.h> for old `struct termio' ioctl interface.
       2     This is obsolete; use the POSIX.1 `struct termios' interface
       3     defined in <termios.h> instead.  */
       4  
       5  #include <termios.h>
       6  #include <sys/ioctl.h>