PAC_INFO_BUFFER_LENGTH
header_len = PACTYPE_LENGTH + (nbuffers * PAC_INFO_BUFFER_LENGTH);
header_len = PACTYPE_LENGTH + pac->nbuffers * PAC_INFO_BUFFER_LENGTH;
pac->data.length + PAC_INFO_BUFFER_LENGTH +
pac->buffers[i].offset += PAC_INFO_BUFFER_LENGTH;
memmove(pac->data.data + header_len + PAC_INFO_BUFFER_LENGTH,
memset(pac->data.data + header_len, 0, PAC_INFO_BUFFER_LENGTH);
pac->buffers[i].offset = pac->data.length + PAC_INFO_BUFFER_LENGTH;
pac->data.length += PAC_INFO_BUFFER_LENGTH + data->length + pad;
header_len = PACTYPE_LENGTH + (pac->nbuffers * PAC_INFO_BUFFER_LENGTH);
PACTYPE_LENGTH + (pac->nbuffers * PAC_INFO_BUFFER_LENGTH));