c/winsize.c

   1 /*
   2  * Prints size of terminal window in characters
   3  */
   4
   5 #include <stdio.h>
   6 #include <sys/ioctl.h>
   7
   8 static int get_win_size (int fd, struct winsize *win)
   9 {
  10   return ioctl (fd, TIOCGWINSZ, (char *) win);
  11 }
  12
  13 int main(void) {
  14         struct winsize win;
  15         if(!get_win_size(1, &win)) puts("Error!");
  16         printf("%d %d :-)\n", win.ws_row, win.ws_col);
  17 }