| #### Data Types and Structures dce_svc_filter_proc_t The prototype of a serviceability filtering routine. dce_svc_filterctl_proc_t The prototype of a serviceability filter-control routine. dce_svc_handle_t An opaque handle to generate serviceability messages. (Use dce_svc_register( ) or DCE_DEFINE_SVC_HANDLE to obtain one.) dce_svc_log_handle_t An opaque handle to an open serviceability binary format log file. (Use dce_svc_log_open( ) to obtain one.) dce_svc_log_prolog_t A structure containing data about a serviceability binary format log entry. dce_svc_prolog_t A structure containing the initial message parameters passed to the filtering routine. ###