#include <errno.h>
#include <fcntl.h>
#include <grp.h>
#include <locale.h>
#include <limits.h>
#include <paths.h>
#include <pwd.h>
int ch;
char path[PATH_MAX];
setlocale(LC_ALL, "");
while ((ch = getopt(argc, argv, "fhinv")) != -1)
switch (ch) {
case 'h':