Function ngx_http_subrequest

pub unsafe extern "C" fn ngx_http_subrequest(
    r: *mut ngx_http_request_s,
    uri: *mut ngx_str_t,
    args: *mut ngx_str_t,
    psr: *mut *mut ngx_http_request_s,
    ps: *mut ngx_http_post_subrequest_t,
    flags: usize,
) -> isize