@section @code{popen}
@findex popen
-POSIX specification: @url{http://www.opengroup.org/onlinepubs/9699919799/functions/popen.html}
+POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/popen.html}
Gnulib module: popen
Portability problems fixed by Gnulib:
@itemize
@item
+This function is missing on some platforms:
+MSVC 9.
+@item
Some platforms start the child with closed stdin or stdout if the
standard descriptors were closed in the parent:
Cygwin 1.5.x.