#include "apue.h"#include <termios.h>intmain(void){	struct termios	term;	if (tcgetattr(STDIN_FILENO, &term) < 0)		err_sys("tcgetattr error");	switch (term.c_cflag & CSIZE) {	case CS5:		printf("5 bits/byte\n");		break;	case CS6:		printf("6 bits/byte\n");		break;	case CS7:		printf("7 bits/byte\n");		break;	case CS8:		printf("8 bits/byte\n");		break;	default:		printf("unknown bits/byte\n");	}	term.c_cflag &= ~CSIZE;		/* zero out the bits */	term.c_cflag |= CS8;		/* set 8 bits/byte */	if (tcsetattr(STDIN_FILENO, TCSANOW, &term) < 0)		err_sys("tcsetattr error");	exit(0);}