Skip response data when requested by a Range header. Skip over and discard
|bytes_to_skip| bytes of response data. If data is available immediately
set |bytes_skipped| to the number of bytes skipped and return true (1). To
read the data at a later time set |bytes_skipped| to 0, return true (1)
and execute |callback| when the data is available. To indicate failure set
|bytes_skipped| to < 0 (e.g. -2 for ERR_FAILED) and return false (0). This
function will be called in sequence but not from a dedicated thread.
Skip response data when requested by a Range header. Skip over and discard |bytes_to_skip| bytes of response data. If data is available immediately set |bytes_skipped| to the number of bytes skipped and return true (1). To read the data at a later time set |bytes_skipped| to 0, return true (1) and execute |callback| when the data is available. To indicate failure set |bytes_skipped| to < 0 (e.g. -2 for ERR_FAILED) and return false (0). This function will be called in sequence but not from a dedicated thread.