rustix::fs

Function copy_file_range

Source 
pub fn copy_file_range<InFd: AsFd, OutFd: AsFd>(
    fd_in: InFd,
    off_in: Option<&mut u64>,
    fd_out: OutFd,
    off_out: Option<&mut u64>,
    len: usize,
) -> Result<usize>
Available on crate feature fs only.
Expand description

copy_file_range(fd_in, off_in, fd_out, off_out, len, 0)—Copies data from one file to another.

§References