static void read_desc(RBuffer *b, ut64 addr, struct minidump_memory_descriptor64 *desc) {
	st64 o_addr = r_buf_seek (b, 0, R_BUF_CUR);
	r_buf_seek (b, addr, R_BUF_SET);
	desc->start_of_memory_range = r_buf_read_le64 (b);
	desc->data_size = r_buf_read_le64 (b);
	r_buf_seek (b, o_addr, R_BUF_SET);
}
static void read_desc(RBuffer *b, ut64 addr, struct minidump_memory_descriptor64 *desc) {
	st64 o_addr = r_buf_seek (b, 0, R_BUF_CUR);
	r_buf_seek (b, addr, R_BUF_SET);
	desc->start_of_memory_range = r_buf_read_le64 (b);
	desc->data_size = r_buf_read_le64 (b);
	r_buf_seek (b, o_addr, R_BUF_SET);
}