log_handler      2256 http/ngx_http_core_module.c     sr->log_handler = r->log_handler;
log_handler       510 http/ngx_http_request.c     r->log_handler = ngx_http_log_error_handler;
log_handler      3004 http/ngx_http_request.c     ngx_http_handler_pt        *log_handler;
log_handler      3009 http/ngx_http_request.c     log_handler = cmcf->phases[NGX_HTTP_LOG_PHASE].handlers.elts;
log_handler      3013 http/ngx_http_request.c         log_handler[i](r);
log_handler      3072 http/ngx_http_request.c         return r->log_handler(r, ctx->current_request, p, len);
log_handler       423 http/ngx_http_request.h     ngx_http_log_handler_pt           log_handler;