const std = @import("std");
const c = @cImport({
    @cDefine("_NO_CRT_STDIO_INLINE", "1");
    @cInclude("sys/ioctl.h");
    @cInclude("stdio.h");
});
const ioctl = std.c.ioctl;

pub const Winsize = struct {
    ws_row: c_ushort = 0,
    ws_col: c_ushort = 0,
    ws_xpixel: c_ushort = 0,
    ws_ypixel: c_ushort = 0,
};

pub fn getTermDimension() !Winsize {
    var w = Winsize{};
    var ret: u16 = 0;
    const err = error{CUnknown};
    //print("stdout_fileno: {}\n", .{@TypeOf(std.c.STDOUT_FILENO)});
    ret = @intCast(ioctl(std.c.STDOUT_FILENO, c.TIOCGWINSZ, &w));
    if (ret > 0) {
        return err.CUnknown;
    }
    //print("winsize.ws_row: {}\nws_line: {}\nws_xpixel: {} \nws_ypixel: {}\n", .{ w.ws_row, w.ws_col, w.ws_xpixel, w.ws_ypixel });
    return w;
}