#include <termios.h> int tcgetattr (int fd, struct termios *termiosp);
This function gets termios structure from device fd and stores it in the structure termiosp. Note that the termios emulation handles console only.
Zero on success, nonzero on failure.
not ANSI, POSIX
struct termios termiosbuf; int rc = tcgetattr (0, &termiosbuf);
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