flags_to_string
f_s = flags_to_string(s->st_flags, "none");
f_s = flags_to_string(p->fts_statp->st_flags, "none");
sf = flags_to_string(p->fts_statp->st_flags, "none"); \
sf = flags_to_string(flags, "none"); \
char *str = flags_to_string(p->fts_statp->st_flags, "none");
char *str = flags_to_string(saveflags, "none");
char *flags_to_string(unsigned long, const char *);
str = flags_to_string(cur->st_flags, "none");
printf(" flags=%s", flags_to_string(n->st_flags, "none"));