The library contains a set of auxiliary functions.
https://src.libcode.org/download/faux

Serj Kalichev 553a689d0a utils/faux-getch utility %!s(int64=3) %!d(string=hai) anos
docs 7c42adb687 docs: Docs for testc_helpers (in English) %!s(int64=4) %!d(string=hai) anos
faux d859ef4372 faux.argv: Test for faux_argv_parse() %!s(int64=3) %!d(string=hai) anos
libc 1a733d2882 Add internal getopt implamentation. BSD version %!s(int64=10) %!d(string=hai) anos
m4 cb8ca83a07 Fix ax_lua.m4 so that it skips the header version checks and assumes they're ok when cross-compiling. Use ax_lua.m4's facilities to locate Lua libs and headers %!s(int64=11) %!d(string=hai) anos
testc 2ac3b42bc5 Function's brace on new line %!s(int64=4) %!d(string=hai) anos
utils 553a689d0a utils/faux-getch utility %!s(int64=3) %!d(string=hai) anos
.clang-format dc1d1edf15 Change text format settings %!s(int64=4) %!d(string=hai) anos
.gitignore c574dc46ea utils.faux-file2c: Rename faux-txt2c to faux-file2c %!s(int64=4) %!d(string=hai) anos
CHANGES c8d65326ed fix 2 links, typos, describes args* attributes %!s(int64=5) %!d(string=hai) anos
ChangeLog edce0a7c8e Adding Debian package required files %!s(int64=11) %!d(string=hai) anos
Doxyfile ebf0742663 Update faux/ctype files %!s(int64=4) %!d(string=hai) anos
ISSUES c8d65326ed fix 2 links, typos, describes args* attributes %!s(int64=5) %!d(string=hai) anos
LICENCE b81ff592c3 From: Emmanuel Deloget <logout@free.fr> %!s(int64=12) %!d(string=hai) anos
Makefile.am eb08982e1c faux.file: Functions to get raw lines (with trailing eol) %!s(int64=4) %!d(string=hai) anos
README 7fad014c31 Fix README %!s(int64=4) %!d(string=hai) anos
autogen.sh 8cdf6d307a Create m4 dir within autogen.sh script %!s(int64=12) %!d(string=hai) anos
configure.ac f5007708e7 faux-1.1.0 %!s(int64=4) %!d(string=hai) anos
indent.sh 2ac3b42bc5 Function's brace on new line %!s(int64=4) %!d(string=hai) anos

README

Homepage : http://faux.libcode.org.
Repository : https://src.libcode.org/pkun/faux
See for documentation in sourcecode tree docs/ dir.