ngx_http_process_request_header  119 src/http/ngx_http.h ngx_int_t ngx_http_process_request_header(ngx_http_request_t *r);
ngx_http_process_request_header 1327 src/http/ngx_http_request.c             rc = ngx_http_process_request_header(r);
ngx_http_process_request_header 3165 src/http/ngx_http_spdy.c     if (ngx_http_process_request_header(r) != NGX_OK) {