grantpt
=======

POSIX specification:
 https://pubs.opengroup.org/onlinepubs/9699919799/functions/grantpt.html

Gnulib module: grantpt

Portability problems fixed by Gnulib:

  * This function is missing on some platforms: OpenBSD 3.8, Minix 3.1.8, mingw, MSVC 14, Android 4.4.

Portability problems not fixed by Gnulib:

  * This function reports success for invalid file descriptors on some platforms: OpenBSD, Cygwin 1.7.9, musl libc.