Function xila_file_system_file_write_at 

pub unsafe extern "C" fn xila_file_system_file_write_at(
    file: *mut XilaFileSystemFile,
    position: u64,
    buffers: *const *const u8,
    buffers_length: *const usize,
    buffer_count: usize,
    written: *mut usize,
) -> XilaFileSystemResult

This function is used to perform a write operation on a file at a specific position.

Safety

This function is unsafe because it dereferences raw pointers.