getumask
--------

Documentation:

  * Assigning File Permissions (libc),

  * man getumask.

Gnulib module: getumask

Portability problems fixed by Gnulib:

  * This function exists only on Hurd and is therefore missing on all non-glibc platforms: glibc/Linux, glibc/kFreeBSD, macOS 11.1, FreeBSD 14.0, NetBSD 9.0, OpenBSD 6.7, Minix 3.3, AIX 7.2, HP-UX 11, IRIX 6.5, Solaris 11.4, Cygwin 2.9, mingw, MSVC 14, Android 9.0.

Portability problems not fixed by Gnulib: