#include <sys/types.h>
int copy_file_fd(const char *from, int to, bool try_reflink);
-int copy_file(const char *from, const char *to, int flags, mode_t mode);
-int copy_file_atomic(const char *from, const char *to, mode_t mode, bool replace);
+int copy_file(const char *from, const char *to, int flags, mode_t mode, unsigned chattr_flags);
+int copy_file_atomic(const char *from, const char *to, mode_t mode, bool replace, unsigned chattr_flags);
int copy_tree(const char *from, const char *to, bool merge);
int copy_tree_at(int fdf, const char *from, int fdt, const char *to, bool merge);
int copy_directory_fd(int dirfd, const char *to, bool merge);