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: MacOS X 10.5, OpenBSD 3.8, Cygwin, mingw, Interix 3.5, BeOS.