-asmlinkage long sys_splice(int fdin, int fdout, size_t len,
- unsigned int flags);
+
+asmlinkage long sys_splice(int fd_in, loff_t __user *off_in,
+ int fd_out, loff_t __user *off_out,
+ size_t len, unsigned int flags);
+
+asmlinkage long sys_vmsplice(int fd, const struct iovec __user *iov,
+ unsigned long nr_segs, unsigned int flags);
+
+asmlinkage long sys_tee(int fdin, int fdout, size_t len, unsigned int flags);
+