libj2

Description: Double-max precision integers
Status: Stable
Source: https://git.maandree.se/libj2
Latest release: 1.0
License: ISC License (Internet Systems Consortium license)
Written in: C (ISO C99)

libj2 is a C library that provides compiler-agnostic integer data types with double the width of uintmax_t, along with functions for preforming standard integer operations, with optional overflow-detection.