nghttp3_conn_add_ack_offset
===========================

Synopsis
--------

*#include <nghttp3/nghttp3.h>*

.. function:: int nghttp3_conn_add_ack_offset(nghttp3_conn *conn, int64_t stream_id, uint64_t n)

    
    `nghttp3_conn_add_ack_offset` tells *conn* the number of bytes *n*
    for stream denoted by *stream_id* QUIC stack has acknowledged.
    
    If a stream denoted by *stream_id* is not found, this function
    returns 0.
    
    Alternatively, `nghttp3_conn_update_ack_offset` can be used to
    accomplish the same thing.
    
    This function returns 0 if it succeeds, or one of the following
    negative error codes:
    
    :macro:`NGHTTP3_ERR_CALLBACK_FAILURE`
        User callback failed.