const std = @import("std");
pub fn main() !void {
// allocate a large enough buffer to store the cwd
var buf: [std.fs.MAX_PATH_BYTES]u8 = undefined;
// getcwd writes the path of the cwd into buf and returns a slice of buf with the len of cwd
const cwd = try std.os.getcwd(&buf);
// print out the cwd
std.debug.warn("cwd: {}", .{cwd});
}