1 #include <stdio.h>

 2 #include <unistd.h>

 3 #include <termios.h>

 4

 5 int main(int argc, const char *argv[])

 6 {

 7     struct termios attr;

 8     unsigned char temp;

 9

10     tcgetattr(0, &attr);

11     attr.c_lflag &= ~(ICANON | ECHO);

12     attr.c_cc[VTIME] = 0;

13     attr.c_cc[VMIN] = 1;

14     tcsetattr(0, TCSANOW, &attr);

15

16     while (1) {

17         temp = fgetc(stdin);

18         printf("%#2x\n", temp);

19     }

20

21     return 0;

22 }