Is there a C equivalent of C#'s decimal type?

Question

In relation to: Convert Decimal to Double

Now, I got to many questions relating to C#\'s floating-point type called decimal an

Answer 1

C2X will standardize decimal floating point as _DecimalN: http://www.open-std.org/jtc1/sc22/wg14/www/docs/n2573.pdf

In addition, GCC implements decimal floating point as an extension; it currently supports 32-bit, 64-bit, and 128-bit decimal floats.