renameat
int renameat(int oldFD, const char* oldPath, int newFD, const char* newPath);
extern int renameat(int fromFD, const char *from, int toFD, const char *to);
return renameat(fromFD, from, toFD, to);
HIDDEN_FUNCTION(renameat);
extern int renameat (int __oldfd, const char *__old, int __newfd,
return renameat(AT_FDCWD, from, AT_FDCWD, to);