#include <sys/types.h>
#include <sys/stat.h>
#include <fts.h>
FTS *fts_open(char * const *
path_argv, int
options,
int (*
compar)(const FTSENT **, const FTSENT **));
FTSENT *fts_read(FTS *
ftsp);
FTSENT *fts_children(FTS *
ftsp, int
instr);
int fts_set(FTS *
ftsp, FTSENT *
f, int
instr);
int fts_close(FTS *
ftsp);