Function nginx::ngx_http_subrequest

pub unsafe extern "C" fn ngx_http_subrequest(
    r: *mut ngx_http_request_t, 
    uri: *mut ngx_str_t, 
    args: *mut ngx_str_t, 
    sr: *mut *mut ngx_http_request_t, 
    psr: *mut ngx_http_post_subrequest_t, 
    flags: ngx_uint_t
) -> ngx_int_t