#ifndef _SYS_IOCTL_H
#define _SYS_IOCTL_H
#include <sys/types.h>
int ioctl(int fd, unsigned long request, ...);
#define TIOCGWINSZ 0x5413
struct winsize { unsigned short ws_row; unsigned short ws_col; unsigned short ws_xpixel; unsigned short ws_ypixel; };
#endif