ap_log_handler    772 modules/loggers/mod_log_config.c     ap_log_handler *handler;
ap_log_handler    842 modules/loggers/mod_log_config.c             handler = (ap_log_handler *)apr_hash_get(log_hash, s++, 1);
ap_log_handler   1340 modules/loggers/mod_log_config.c     ap_log_handler *log_struct = apr_palloc(p, sizeof(*log_struct));