技術標籤：NetWork

/**
  Read data from a bufferevent buffer.

  The bufferevent_read() function is used to read data from the input buffer.

  @param bufev the bufferevent to be read from
  @param data pointer to a buffer that will store the data
  @param size the size of the data buffer, in bytes
  @return the amount of data read, in bytes.
 */
EVENT2_EXPORT_SYMBOL
size_t bufferevent_read(struct bufferevent *bufev, void *data, size_t size);