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// utils/roman.h
// functions for roman numbers
typedef struct {
int num;
char *symbol;
} RomanSymbol;
static const RomanSymbol roman_symbols[] = {
{1000, "M"},
{900, "CM"},
{500, "D"},
{400, "CD"},
{100, "C"},
{90, "XC"},
{50, "L"},
{40, "XL"},
{10, "X"},
{9, "IX"},
{5, "V"},
{4, "IV"},
{1, "I"},
};
// convert a arabic number to roman number
// params:
// buffer - buffer to save the roman number to
// number - arabic number to convert
extern void to_roman(char *buffer, int number);
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