Function fuse_session_next_chan 

pub unsafe extern "C" fn fuse_session_next_chan(
    se: *mut fuse_session,
    ch: *mut fuse_chan,
) -> *mut fuse_chan

Iterate over the channels assigned to a session

The iterating function needs to start with a NULL channel, and after that needs to pass the previously returned channel to the function.

@param se the session @param ch the previous channel, or NULL @return the next channel, or NULL if no more channels exist