checkuser
if (checkuser(_PATH_FTPUSERS, "ftp", 0, NULL, &ecode) ||
else if (checkuser(_PATH_FTPUSERS, "anonymous", 0, NULL, &ecode) ||
(checkuser(_PATH_FTPUSERS, name, 1, NULL, &ecode) ||
checkuser(_PATH_FTPCHROOT, pw->pw_name, 1, &residue, &ecode)
static int checkuser(char *, char *, int, char **, int *);