#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>

struct my_perfect_float
{
	unsigned char sign;
	signed char exponent;
	unsigned char dop_var;
	int mantissa;
};

// 1. вернуть объект с некорректными данными в нём
// 2. dm + error_code
// 3. dm_e
// 4. error_code as arg
// 5. global vars

int error_code;

const int MANTISSA_SIZE = 24;

struct dm_e
{
	struct dm result;
	int error_code;
};

struct dm
{
	int32_t div;
	int32_t mod;
};

int divmod(int32_t x, int32_t y, struct dm* dm)
{
	int aa = 2;	   // initialization
	aa = 3;		   // assignment
	int bb;		   // non-initialize
	if (y == 0)
	{
		return 1;
	}
	*dm = (struct dm){ .div = x / y, .mod = x % y };
	return 0;
}

// x, y => /, %
struct dm divmod(int32_t x, int32_t y, int* error_code)
{
	int aa = 2;	   // initialization
	aa = 3;		   // assignment
	int bb;		   // non-initialize
	if (y == 0)
	{
		*error_code = 1;
		return (struct dm){ .div = 0, .mod = 0 };
	}
	// struct dm dm = { .div = x / y, .mod = x % y };
	// return dm;
	return (struct dm){ .div = x / y, .mod = x % y };	 // compound literal
}

int main(int argc, char* argv[])
{
	if (argc != 4)
	{
		// free resourses
		fprintf(stderr, "Usage: %s A.B <rounding> <number>\n", argv[0]);
		return 1;
	}

	int32_t a, b;

	int sz = 5;
	// .... 100 lines
	int64_t c;

	c = 2;

	return 0;
}