ngx_http_header_handler_pt   21 http/ngx_http.h typedef ngx_int_t (*ngx_http_header_handler_pt)(ngx_http_request_t *r,
ngx_http_header_handler_pt  156 http/ngx_http_request.h     ngx_http_header_handler_pt        handler;
ngx_http_header_handler_pt  187 http/ngx_http_upstream.h     ngx_http_header_handler_pt       handler;
ngx_http_header_handler_pt  189 http/ngx_http_upstream.h     ngx_http_header_handler_pt       copy_handler;