That’s basically hexadecimal floating point strings, which are in C since C99 via the %a format specifier (they use a base-two exponent written in decimal inste

That’s basically hexadecimal floating point strings, which are in C since C99 via the %a format specifier (they use a base-two exponent written in decimal instead of a base-16 exponent in hex, but that doesn’t really change the complexity of parsing or formatting.)