//
/// an error will cause the entire program to exit
-void Sys_Error (const char *error, ...) DP_FUNC_PRINTF(1);
+void Sys_Error (const char *error, ...) DP_FUNC_PRINTF(1) DP_FUNC_NORETURN;
/// (may) output text to terminal which launched program
void Sys_PrintToTerminal(const char *text);