settty.c

unix环境下c语言屏幕编程开发

#include "../inc/screen.h"

void settty(flag)
int flag;
{
	int fd;
	struct termio tbuf0;
	char	*ttyname(),*tname;

	tname = ttyname(1);

	fd = open(tname,O_RDWR);
	if(fd == ERR)
		return;

	if(flag == TRUE)
	{
		ioctl(fd,TCGETA,&tbuf0);
		tbuf0.c_lflag &= ~ICANON;
		tbuf0.c_lflag &= ~ECHO;
		tbuf0.c_cc[4] = 1;
		tbuf0.c_cc[5] = 0;
		tbuf0.c_iflag &= ~ISTRIP;
		tbuf0.c_cflag |= CS8;
		tbuf0.c_cflag &= ~PARENB;
		ioctl(fd,TCSETA,&tbuf0);
	}
	else
	{
		ioctl(fd,TCGETA,&tbuf0);
		tbuf0.c_lflag |= ICANON;
		tbuf0.c_lflag |= ECHO;
		tbuf0.c_cc[4] = 4;
		tbuf0.c_cc[5] = 5;
		tbuf0.c_iflag &= ~ISTRIP;
		tbuf0.c_cflag |= CS8;
		tbuf0.c_cflag &= ~PARENB;
		ioctl(fd,TCSETA,&tbuf0);
	}

	close(fd);
}