Unable to use POSIX.1b (aio.h) with gcc -std=c99

[PROTECTED]

The following C program, which includes the POSIX.1b header aio.h, does not compile with GCC -std=c99:

#include <aio.h>
int main(void) { }

$ gcc -std=c99 -c aio-c99.c
In file included from aio-c99.c:1:
/usr/include/aio.h:42: error: field ‘aio_sigevent’ has incomplete type

$ gcc --version:
gcc (Ubuntu/Linaro 4.4.4-14ubuntu5) 4.4.5

ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: libc6-dev 2.12.1-0ubuntu10.2
ProcVersionSignature: Ubuntu 2.6.35-28.49-generic-pae 2.6.35.11
Uname: Linux 2.6.35-28-generic-pae i686
NonfreeKernelModules: nvidia
Architecture: i386
Date: Fri Mar 18 15:55:27 2011
EcryptfsInUse: Yes
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
ProcEnviron:
 LANG=en_US.utf8
 SHELL=/bin/bash
SourcePackage: eglibc

[dino99 (9d9)]

This is no more a supported version now