Define for Arm, PowerPC and SH if kernel is 2.4.4 or newer.
* sysdeps/unix/sysv/linux/bits/socket.h (PF_WANPIPE): New, from
Linux 2.4.4.
(AF_WANPIPE): Likewise.
(MSG_MORE): New.
* sysdeps/unix/sysv/linux/alpha/bits/socket.h: Add same changes as
for Linux generic version.
* sysdeps/unix/sysv/linux/s390/s390-64/bits/socket.h: Likewise.
* sysdeps/unix/sysv/linux/sparc/bits/socket.h: Likewise.
* sysdeps/unix/sysv/linux/mips/bits/socket.h: Likewise.
* sysdeps/unix/sysv/linux/ia64/bits/socket.h: Likewise.
* sysdeps/gnu/netinet/tcp.h (TCP_QUICKACK): New.
* conform/data/sys/socket.h-data: Fix typos. Correct getsockopt,
recvfrom, send, and socketpair prototypes. Add allow lines.
* socket/sys/socket.h: Include <sys/uio.h>.
Don't use fancy __SOCKADDR_ARG definition unless __USE_GNU.
Fix type of second parameter of listen.
Don't declare isfdtype unless __USE_MISC.
* sysdeps/generic/listen.c: Fix type of second parameter of listen.
* sysdeps/mach/hurd/listen.c: Likewise.
* sysdeps/generic/bits/socket.h (struct sockaddr_storage): Define
ss_family and __ss_family.
* sysdeps/unix/sysv/aix/bits/socket.h: Likewise.
* sysdeps/unix/sysv/linux/bits/socket.h: Likewise.
(struct msghdr): Change type of msg_iovlen to int and type of
msg_controllen to socklen_t.
* sysdeps/unix/sysv/linux/alpha/bits/socket.h: New file.
* sysdeps/unix/sysv/linux/ia64/bits/socket.h: New file.
* sysdeps/unix/sysv/linux/sparc/sparc64/bits/socket.h: New file.
