+static void message(char *format, ...)
+{
+ static int on = -1;
+ char *v;
+ va_list args;
+
+ if(on == -1)
+ {
+ on = 0;
+ if((v = getenv("LIBDCUI_MSG")) != NULL)
+ {
+ if(strtol(v, NULL, 0) & 1)
+ on = 1;
+ }
+ }
+ if(on == 1)
+ {
+ va_start(args, format);
+ vfprintf(stderr, format, args);
+ va_end(args);
+ }
+}
+