dup3
----

Documentation:
 man dup3

Gnulib module: dup3

Portability problems fixed by Gnulib:

  * This function is missing on many non-glibc platforms: glibc 2.8, macOS 11.1, FreeBSD 6.0, NetBSD 5.0, OpenBSD 3.8, Minix 3.1.8, AIX 5.1, HP-UX 11, IRIX 6.5, Solaris 11.3, Cygwin 1.7.1, mingw, MSVC 14, Android 4.4.

  * This function can crash on some platforms: Cygwin 1.7.25.

Portability problems not fixed by Gnulib: