ngx_http_headers_in  418 http/ngx_http.c     for (header = ngx_http_headers_in; header->name.len; header++) {
ngx_http_headers_in   80 http/ngx_http_request.c ngx_http_header_t  ngx_http_headers_in[] = {
ngx_http_headers_in  568 http/ngx_http_request.h extern ngx_http_header_t       ngx_http_headers_in[];