if(cfs_opendir(&dir, "/") != 0) {
if(cfs_opendir(&dir, ".") != 0) {
directory(char *str){  if(cfs_opendir(&dir, "/") != 0) {    shell_output("Cannot open directory", "");    showingdir = 0;  } else {    shell_output("Disk directory:", "");    showingdir = 1;    totsize = 0;    ek_post(EK_PROC_ID(EK_CURRENT()), EK_EVENT_CONTINUE, NULL);  }  }