#include <sys/ioctl.h>
#include <stdio.h>
#include <unistd.h>
#include <signal.h>
#include <stdlib.h>


void foo(int signum) {
//   printf("wowo %d\n",signum);
  //exit(signum);
    int cols = 80;
    int lines = 24;
#ifdef TIOCGSIZE
    struct ttysize ts;
    ioctl(STDIN_FILENO, TIOCGSIZE, &ts);
    cols = ts.ts_cols;
    lines = ts.ts_lines;
#elif defined(TIOCGWINSZ)
    struct winsize ts;
    ioctl(STDIN_FILENO, TIOCGWINSZ, &ts);
    cols = ts.ws_col;
    lines = ts.ws_row;
#endif /* TIOCGSIZE */

    printf("Terminal is %dx%d\n", cols, lines);

}

int main (void)
{

(void)signal(SIGWINCH,foo);




   while(1) {
   }
}