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+@node mprotect
+@section @code{mprotect}
+@findex mprotect
+
+POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/mprotect.html}
+
+Gnulib module: ---
+
+Portability problems fixed by Gnulib:
+@itemize
+@end itemize
+
+Portability problems not fixed by Gnulib:
+@itemize
+@item
+This function is missing on some platforms:
+Minix 3.1.8, mingw, MSVC 9, BeOS.
+@item
+This function does not set @code{errno} on some platforms:
+mingw.
+@item
+On AIX, it is not possible to use @code{mprotect} on memory regions allocated
+with @code{malloc}.
+@end itemize