makecontext
===========

POSIX specification: http://www.opengroup.org/susv3xsh/makecontext.html

Gnulib module: ---

Portability problems fixed by Gnulib:

Portability problems not fixed by Gnulib:

  * This function is missing on some platforms: Mac OS X 10.4, OpenBSD 3.8, Cygwin, mingw, MSVC 9, Interix 3.5, BeOS.