@section @code{unsetenv}
@findex unsetenv
-POSIX specification: @url{http://www.opengroup.org/onlinepubs/9699919799/functions/unsetenv.html}
+POSIX specification:@* @url{http://www.opengroup.org/onlinepubs/9699919799/functions/unsetenv.html}
-Gnulib module: setenv
+Gnulib module: unsetenv
Portability problems fixed by Gnulib:
@itemize
@item
This function is missing on some platforms:
-AIX 5.1, HP-UX 11, IRIX 6.5, Solaris 9, mingw, BeOS.
+AIX 5.1, HP-UX 11.23, IRIX 6.5, Solaris 9, mingw, BeOS.
@item
This function has the return type @samp{void} instead of @samp{int} on some
platforms:
@item
On some platforms, this function does not fail with @samp{EINVAL} when
passed an empty string or a string containing @samp{=}:
-FreeBSD 6.0, NetBSD 1.6, OpenBSD 3.8.
+FreeBSD 6.0, NetBSD 1.6, OpenBSD 4.7.
@item
This function removes only the first value association for the given
environment variable, not all of them, on some platforms:
-Solaris 10.
+Solaris 11 2010-11.
@end itemize
Portability problems not fixed by Gnulib: