There are 6 repositories under c89 topic.
A single-header ANSI C immediate mode cross-platform GUI library
A library of generic intrusive data structures and algorithms in ANSI C
Transpiles a C# subset to non .NET languages. (Powered by Roslyn)
SMTP Client Library in C
Sega Mega Drive/Sega Genesis emulator that emphasises portability.
Motorola 68000 assembler, clone of SN 68k (A.K.A. asm68k).
Tiny, zero-allocation JSON serializer written in ANSI C
An implementation of advanced typographic tables of OpenType specification.
Everything is focused on Unix systems. From C Language Programming to Unix Systems Programming and Kernel Hacking
Direct/Interactive C Compiler
Super small, simple, and C89-compliant single-header arena "allocator".
Single-header-file library which implements an integer-only windowed-sinc audio resampler.
[documented code / -pedantic -std=c89] - 42School variant of the dining philosophers problem to learn the basics of threading a process, how to create threads and use mutexes.
alienhook classic - Free as in freedom CS 1.6 cheat for GNU/Linux.
a repo of my new, cleaned dotfiles that are maintained