buffer_create_from
void buffer_create_from(buffer_type *buffer, const void *data, size_t size);
buffer_create_from(&buffer, task->zname, task->yesno);
buffer_create_from(&packet, buf+bufpos, rdlen);
buffer_create_from(&buffer, rdata, rdlength);
buffer_create_from(q->packet, data, data_capacity);
buffer_create_from(buffer, scratch_data, scratch_data_len);
buffer_create_from(&xw->packet, xw->packet_space, sizeof(xw->packet_space));
buffer_create_from(&buffer, rdata, rdlength);