rem: void testDir( const char *_name )
add: static void testDir(const char *_name)
context: void testDir( const char *_name ){  DIR *dp;  QString c = getenv("HOME");  c += _name;  dp = opendir(c.data());  if (dp == NULL)    ::mkdir(c.data(), S_IRWXU);  else    closedir(dp);}