ngx_http_post_subrequest_pt  316 http/ngx_http_request.h typedef ngx_int_t (*ngx_http_post_subrequest_pt)(ngx_http_request_t *r,
ngx_http_post_subrequest_pt  320 http/ngx_http_request.h     ngx_http_post_subrequest_pt       handler;