Prepends all data from the src evbuffer to the beginning of the dst evbuffer.
@param dst the evbuffer to which to prepend data @param src the evbuffer to prepend; it will be emptied as a result @return 0 if successful, or -1 otherwise
See Implementation
Prepends all data from the src evbuffer to the beginning of the dst evbuffer.
@param dst the evbuffer to which to prepend data @param src the evbuffer to prepend; it will be emptied as a result @return 0 if successful, or -1 otherwise