how to check regmap start address

Tomek The Messenger <tomekthemessenger@xxxxxxxxx> · Thu, 2 Apr 2020 13:48:23 +0200

HiLet's see how it looks:
https://github.com/u-boot/u-boot/blob/master/include/regmap.h 

I first time ever see such thing like this:
struct regmap_range {
	ulong start;
	ulong size;
};
struct regmap {
	enum regmap_endianness_t endianness;
	int range_count;
	struct regmap_range ranges[0];
};

How I can get access to variable ranges it if is 0 size? Who develops this one and who reviewed:)
Anyway If I have pointer to regmap can I check what is start variable in some other way?

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struct regmap {
	enum regmap_endianness_t endianness;
	int range_count;
	struct regmap_range ranges[0];
	};