Name		Name	Last commit message	Last commit date
parent directory ..
CMakeLists.txt		CMakeLists.txt
README.md		README.md
bool.c		bool.c
constexpr.c		constexpr.c
fallthrough.c		fallthrough.c
has_c_attribute.c		has_c_attribute.c
has_include.c		has_include.c
limits.c		limits.c
maybe_unused.c		maybe_unused.c
noreturn.c		noreturn.c
nullptr.c		nullptr.c
reproducible.c		reproducible.c
strdup.c		strdup.c
strndup.c		strndup.c
unreachable.c		unreachable.c
unsequenced.c		unsequenced.c

README.md

C23 examples

strdup

strdup is present in all the current C compilers we trid.

strndup

Observed: strndup is present in:

Linux: GCC, Clang, oneAPI, NVIDIA HPC (nvc), AMD AOCC (clang)

strndup is NOT present in:

Windows MinGW GCC 12.2, oneAPI 2023.0, MSVC

nullptr

The ambiguous NULL macro is often better replaced by nullptr when C23 is available.