Function stream_delete 

pub unsafe extern "C" fn stream_delete(
    stream: *mut Stream,
    size: usize,
) -> bool

Remove N chars from the stream, starting at the current pointer. The size may be larger than stream size, the stream will be cleared from current RW pointer to the end.

Arguments

• stream - Stream instance
• size - how many chars need to be deleted

Returns

true if the operation was successful false on error