ap_rprintf(r, " Apache HTTP Server version: \"%s\"\n",
ap_rprintf(r, " Server built: \"%s\"\n", ap_get_server_built());
The format for the callback trace is:
The <routine-data> is supplied by the routine when it requests the trace, and the <applies-to> is extracted from the configuration record at the time of the trace. SVR() indicates a server environment (blank means the main or default server, otherwise it's the name of the VirtualHost); DIR() indicates a location in the URL or filesystem namespace.ap_rprintf(r, "