C89 compatibility.

This changes the libev constants to be the corresponding negative values.
Without this the header file is not valid ISO C 89. This fix makes the uv
header compile

C89 compatibility.

This changes the libev constants to be the corresponding negative values.
Without this the header file is not valid ISO C 89. This fix makes the uv
header compile fine in a simple C 89 program.

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Remove extra dereference on hints

read() and write() return ssize_t, not size_t.

rv < 0 error checks were always false.

Fix linux syscall detection.

Remove obsolete file

Change msvc projects, more sanity in ares build config on windows

Allow user to specify CC env var (CC=clang make)

src/ and include/ directories

Helps #71 but does not update the MSVC files.

Detect availability of newish linux syscalls by kernel version.

If we are only writing or reading a single iovec, use the non-v versions of the calls, so we are hitting the exact same syscalls as non-uv, and it makes dtruss output easier to read.

optional IPv6 for echo-server

detect ipv6 support

uv_sleep() takes milliseconds, usleep() microseconds. Convert argument.

unix: implement uv_connect6

unix: Don't malloc for each write

Fix c-ares build with msvc

Add cygwin support

Fails a few tests

win: IPv6 connect

Remove -Wno-variadic-macros

Helps #63.
Fixes #80.

fix mingw for eio

Fix hrtime on linux

Assert that uv_hrtime() actually sleeps for several microseconds.

unix: All objects should be compiled with _LARGEFILE_SOURCE and _FILE_OFFSET_BITS=64

Fixes uv_getaddrinfo on linux

unix: Fix uv_getaddrinfo()

fix linux build