tgmath.h
========

POSIX specification:
 https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/tgmath.h.html

Gnulib module: ---

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

  * This header file is missing on some platforms: Mac OS X 10.5, FreeBSD 5.2.1, NetBSD 9.0, OpenBSD 3.8, Minix 3.1.8, AIX 5.1, HP-UX 11, IRIX 6.5, Cygwin 1.7.9, mingw, MSVC 14, Android 9.0.