missing man page

No man page found for curl%20-sS%20--user-agent%20%22%24%7Buser_agent%7D%22%20-o%20%2Fdev%2Fnull%20--max-time%205%20-w%20%22%25%7Bhttp_code%7D%5Cn%25%7Btime_total%7D%22%20%22%24%7Burl%7D%22.