cpython/Misc/NEWS.d/next/Library/2024-06-23-07-23-08.gh-issue-61103.ca_U_l.rst

Support :c:expr:`float complex`, :c:expr:`double complex` and
:c:expr:`long double complex` C types in :mod:`ctypes` as
:class:`~ctypes.c_float_complex`, :class:`~ctypes.c_double_complex` and
:class:`~ctypes.c_longdouble_complex` if the compiler has C11 complex arithmetic.
Patch by Sergey B Kirpichev.